More system processes, this was not enough for the release script to run on some configurations
This commit is contained in:
Erik van der Kouwe
parent
456a125e00
commit
5f15ec05b2
20 changed files with 337 additions and 4 deletions
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@ -15,7 +15,7 @@
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#endif
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#define _NR_PROCS 256
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#define _NR_SYS_PROCS 32
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#define _NR_SYS_PROCS 64
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/* Set the CHIP type based on the machine selected. The symbol CHIP is actually
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* indicative of more than just the CPU. For example, machines for which
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@ -130,4 +130,6 @@ typedef char *caddr_t;
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#endif /* _MINIX || __minix */
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/*XXX*/ void vmmcall(u32_t eax, u32_t ebx, u32_t ecx);
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#endif /* _TYPES_H */
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@ -39,7 +39,9 @@ struct proc *p;
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return OK;
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case VMCTL_INCSP:
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/* Increase process SP. */
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vmmcall(0x12345601, 0, 40);
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p->p_reg.sp += m_ptr->SVMCTL_VALUE;
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vmmcall(0x12345601, 0, 41);
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return OK;
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case VMCTL_I386_KERNELLIMIT:
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{
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@ -55,7 +57,9 @@ struct proc *p;
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}
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case VMCTL_FLUSHTLB:
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{
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vmmcall(0x12345601, 0, 42);
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reload_cr3();
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vmmcall(0x12345601, 0, 43);
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return OK;
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}
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}
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@ -43,11 +43,16 @@ FORWARD _PROTOTYPE( void vm_enable_paging, (void) );
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PUBLIC void vm_init(struct proc *newptproc)
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{
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vmmcall(0x12345602, vm_running, 5);
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if(vm_running)
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panic("vm_init: vm_running");
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vmmcall(0x12345602, (unsigned) newptproc, 6);
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switch_address_space(newptproc);
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vmmcall(0x12345602, (unsigned) ptproc, 7);
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assert(ptproc == newptproc);
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vmmcall(0x12345602, 0, 8);
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vm_enable_paging();
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vmmcall(0x12345602, 0, 9);
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vm_running = 1;
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}
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@ -259,36 +264,49 @@ PRIVATE void vm_enable_paging(void)
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u32_t cr0, cr4;
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int pgeok;
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vmmcall(0x12345602, 0, 10);
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psok = _cpufeature(_CPUF_I386_PSE);
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vmmcall(0x12345602, psok, 11);
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pgeok = _cpufeature(_CPUF_I386_PGE);
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vmmcall(0x12345602, pgeok, 12);
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cr0= read_cr0();
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vmmcall(0x12345602, cr0, 13);
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cr4= read_cr4();
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/* First clear PG and PGE flag, as PGE must be enabled after PG. */
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vmmcall(0x12345602, cr4, 14);
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write_cr0(cr0 & ~I386_CR0_PG);
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vmmcall(0x12345602, 0, 15);
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write_cr4(cr4 & ~(I386_CR4_PGE | I386_CR4_PSE));
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vmmcall(0x12345602, 0, 16);
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cr0= read_cr0();
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vmmcall(0x12345602, cr0, 17);
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cr4= read_cr4();
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/* Our first page table contains 4MB entries. */
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if(psok)
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cr4 |= I386_CR4_PSE;
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vmmcall(0x12345602, cr4, 18);
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write_cr4(cr4);
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/* First enable paging, then enable global page flag. */
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vmmcall(0x12345602, 0, 19);
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cr0 |= I386_CR0_PG;
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write_cr0(cr0 );
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vmmcall(0x12345602, 0, 20);
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cr0 |= I386_CR0_WP;
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write_cr0(cr0);
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/* May we enable these features? */
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vmmcall(0x12345602, 0, 21);
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if(pgeok)
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cr4 |= I386_CR4_PGE;
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write_cr4(cr4);
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vmmcall(0x12345602, 0, 22);
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}
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PUBLIC vir_bytes alloc_remote_segment(u32_t *selector,
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@ -1012,6 +1030,7 @@ PUBLIC int arch_enable_paging(struct proc * caller, const message * m_ptr)
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/*
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* copy the extra data associated with the call from userspace
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*/
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vmmcall(0x12345602, 0, 23);
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if((r=data_copy(caller->p_endpoint, (vir_bytes)m_ptr->SVMCTL_VALUE,
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KERNEL, (vir_bytes) &ep_data, sizeof(ep_data))) != OK) {
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printf("vmctl_enable_paging: data_copy failed! (%d)\n", r);
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@ -1022,21 +1041,26 @@ PUBLIC int arch_enable_paging(struct proc * caller, const message * m_ptr)
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* when turning paging on i386 we also change the segment limits to make
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* the special mappings requested by the kernel reachable
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*/
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vmmcall(0x12345602, 0, 24);
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if ((r = prot_set_kern_seg_limit(ep_data.data_seg_limit)) != OK)
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return r;
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/*
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* install the new map provided by the call
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*/
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vmmcall(0x12345602, 0, 25);
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if (newmap(caller, caller, ep_data.mem_map) != OK)
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panic("arch_enable_paging: newmap failed");
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vmmcall(0x12345602, 0, 26);
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FIXLINMSG(caller);
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vmmcall(0x12345602, 0, 27);
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assert(caller->p_delivermsg_lin == umap_local(caller, D,
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caller->p_delivermsg_vir, sizeof(message)));
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#ifdef CONFIG_APIC
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/* if local APIC is enabled */
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vmmcall(0x12345602, 0, 28);
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if (lapic_addr) {
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lapic_addr = lapic_addr_vaddr;
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lapic_eoi_addr = LAPIC_EOI;
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@ -1049,9 +1073,11 @@ PUBLIC int arch_enable_paging(struct proc * caller, const message * m_ptr)
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* lapic address. Bad things would happen. It is unfortunate but such is
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* life
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*/
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vmmcall(0x12345602, 0, 29);
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i386_watchdog_start();
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#endif
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vmmcall(0x12345602, 0, 30);
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return OK;
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}
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@ -270,25 +270,32 @@ PUBLIC void alloc_segments(register struct proc *rp)
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phys_bytes data_bytes;
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int privilege;
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/*XXX*/vmmcall(0x12345603, 0, 110);
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data_bytes = (phys_bytes) (rp->p_memmap[S].mem_vir +
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rp->p_memmap[S].mem_len) << CLICK_SHIFT;
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/*XXX*/vmmcall(0x12345603, 0, 111);
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if (rp->p_memmap[T].mem_len == 0)
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code_bytes = data_bytes; /* common I&D, poor protect */
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else
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code_bytes = (phys_bytes) rp->p_memmap[T].mem_len << CLICK_SHIFT;
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/*XXX*/vmmcall(0x12345603, 0, 112);
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privilege = USER_PRIVILEGE;
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/*XXX*/vmmcall(0x12345603, 0, 113);
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init_codeseg(&rp->p_seg.p_ldt[CS_LDT_INDEX],
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(phys_bytes) rp->p_memmap[T].mem_phys << CLICK_SHIFT,
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code_bytes, privilege);
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/*XXX*/vmmcall(0x12345603, 0, 114);
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init_dataseg(&rp->p_seg.p_ldt[DS_LDT_INDEX],
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(phys_bytes) rp->p_memmap[D].mem_phys << CLICK_SHIFT,
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data_bytes, privilege);
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/*XXX*/vmmcall(0x12345603, 0, 115);
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rp->p_reg.cs = (CS_LDT_INDEX * DESC_SIZE) | TI | privilege;
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rp->p_reg.gs =
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rp->p_reg.fs =
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rp->p_reg.ss =
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rp->p_reg.es =
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rp->p_reg.ds = (DS_LDT_INDEX*DESC_SIZE) | TI | privilege;
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/*XXX*/vmmcall(0x12345603, 0, 116);
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}
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/*===========================================================================*
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@ -428,26 +435,34 @@ PUBLIC int prot_set_kern_seg_limit(const vir_bytes limit)
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int orig_click;
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int incr_clicks;
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vmmcall(0x12345603, limit, 31);
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if(limit <= kinfo.data_base) {
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vmmcall(0x12345603, kinfo.data_base, 38);
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printf("prot_set_kern_seg_limit: limit bogus\n");
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return EINVAL;
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}
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/* Do actual increase. */
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vmmcall(0x12345603, 0, 32);
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orig_click = kinfo.data_size / CLICK_SIZE;
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kinfo.data_size = limit - kinfo.data_base;
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incr_clicks = kinfo.data_size / CLICK_SIZE - orig_click;
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vmmcall(0x12345603, 0, 33);
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prot_init();
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/* Increase kernel processes too. */
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vmmcall(0x12345603, 0, 34);
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for (rp = BEG_PROC_ADDR; rp < END_PROC_ADDR; ++rp) {
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vmmcall(0x12345603, 0, 35);
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if (isemptyp(rp) || !iskernelp(rp))
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continue;
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rp->p_memmap[S].mem_len += incr_clicks;
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vmmcall(0x12345603, 0, 36);
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alloc_segments(rp);
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rp->p_memmap[S].mem_len -= incr_clicks;
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}
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vmmcall(0x12345603, 0, 37);
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return OK;
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}
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@ -20,11 +20,16 @@ PUBLIC int do_newmap(struct proc * caller, message * m_ptr)
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struct mem_map *map_ptr; /* virtual address of map inside caller */
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int proc_nr;
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/*XXX*/vmmcall(0x12345604, 0, 100);
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map_ptr = (struct mem_map *) m_ptr->PR_MEM_PTR;
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/*XXX*/vmmcall(0x12345604, 0, 101);
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if (! isokendpt(m_ptr->PR_ENDPT, &proc_nr)) return(EINVAL);
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/*XXX*/vmmcall(0x12345604, 0, 102);
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if (iskerneln(proc_nr)) return(EPERM);
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/*XXX*/vmmcall(0x12345604, 0, 103);
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rp = proc_addr(proc_nr);
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/*XXX*/vmmcall(0x12345604, 0, 104);
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return newmap(caller, rp, map_ptr);
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}
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@ -36,13 +41,16 @@ PUBLIC int newmap(struct proc *caller, struct proc *rp, struct mem_map *map_ptr)
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{
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int r;
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/* Fetch the memory map. */
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/*XXX*/vmmcall(0x12345604, 0, 105);
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if((r=data_copy(caller->p_endpoint, (vir_bytes) map_ptr,
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KERNEL, (vir_bytes) rp->p_memmap, sizeof(rp->p_memmap))) != OK) {
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printf("newmap: data_copy failed! (%d)\n", r);
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return r;
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}
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/*XXX*/vmmcall(0x12345604, 0, 106);
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alloc_segments(rp);
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/*XXX*/vmmcall(0x12345604, 0, 107);
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return(OK);
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}
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@ -18,7 +18,7 @@
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*===========================================================================*/
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PUBLIC int do_vmctl(struct proc * caller, message * m_ptr)
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{
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int proc_nr;
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int proc_nr, r;
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endpoint_t ep = m_ptr->SVMCTL_WHO;
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struct proc *p, *rp, *target;
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@ -121,12 +121,18 @@ PUBLIC int do_vmctl(struct proc * caller, message * m_ptr)
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return OK;
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case VMCTL_ENABLE_PAGING:
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vmmcall(0x12345605, vm_running, 1);
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if(vm_running)
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panic("do_vmctl: paging already enabled");
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vmmcall(0x12345605, (unsigned) p, 2);
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vm_init(p);
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vmmcall(0x12345605, vm_running, 3);
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if(!vm_running)
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panic("do_vmctl: paging enabling failed");
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return arch_enable_paging(caller, m_ptr);
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vmmcall(0x12345605, (unsigned) caller, 4);
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r = arch_enable_paging(caller, m_ptr);
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vmmcall(0x12345605, r, 39);
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return r;
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case VMCTL_KERN_PHYSMAP:
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{
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int i = m_ptr->SVMCTL_VALUE;
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@ -22,6 +22,7 @@ PUBLIC void panic(const char *fmt, ...)
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{
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va_list arg;
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/* The system has run aground of a fatal kernel error. Terminate execution. */
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/*XXX*/vmmcall(0x12345610, ((unsigned *) &fmt)[-1], 1);
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if (minix_panicing == ARE_PANICING) {
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arch_monitor();
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}
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@ -49,6 +50,7 @@ int c; /* character to append */
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/* Accumulate a single character for a kernel message. Send a notification
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* to the output driver if an END_OF_KMESS is encountered.
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*/
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/*XXX*/vmmcall(0x12345612, c, 1);
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if (c != END_OF_KMESS) {
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if (do_serial_debug) {
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if(c == '\n')
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@ -53,3 +53,23 @@ flip:
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xorl %edx, %eax /* See if the bit changed */
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testl %ecx, %eax
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ret
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.globl _vmmcall
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_vmmcall:
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push %ebp
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mov %esp, %ebp
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push %eax
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push %ebx
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push %ecx
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push %edx
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movl 8(%ebp), %eax
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movl 12(%ebp), %ebx
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movl 16(%ebp), %ecx
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movl 4(%ebp), %edx
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.byte 0x0F, 0x01, 0xD9
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pop %edx
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pop %ecx
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pop %ebx
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pop %eax
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pop %ebp
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ret
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@ -19,6 +19,7 @@ void kputc(int c)
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/* Accumulate another character. If 0 or buffer full, print it. */
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static int buf_count; /* # characters in the buffer */
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/*XXX*/vmmcall(0x12345613, c, 1);
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if ((c == 0 && buf_count > 0) || buf_count == sizeof(print_buf)) {
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sys_sysctl(SYSCTL_CODE_DIAG, print_buf, buf_count);
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buf_count = 0;
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@ -21,6 +21,7 @@ PUBLIC void panic(const char *fmt, ...)
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static int panicing= 0;
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va_list args;
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/*XXX*/vmmcall(0x12345611, ((unsigned *) &fmt)[-1], 1);
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if(panicing) return;
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panicing= 1;
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@ -41,7 +41,9 @@ PUBLIC void sef_startup()
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int r, status;
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/* Get information about self. */
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/*XXX*/vmmcall(0x12345606, 0, 1);
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r = sys_whoami(&sef_self_endpoint, sef_self_name, SEF_SELF_NAME_MAXLEN);
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/*XXX*/vmmcall(0x12345606, r, 2);
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if ( r != OK) {
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sef_self_endpoint = SELF;
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sprintf(sef_self_name, "%s", "Unknown");
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@ -49,6 +51,7 @@ PUBLIC void sef_startup()
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#if INTERCEPT_SEF_INIT_REQUESTS
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/* Intercept SEF Init requests. */
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/*XXX*/vmmcall(0x12345606, sef_self_endpoint, 3);
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if(sef_self_endpoint == RS_PROC_NR) {
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if((r = do_sef_rs_init()) != OK) {
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panic("unable to complete init: %d", r);
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@ -57,20 +60,30 @@ PUBLIC void sef_startup()
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else {
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message m;
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/*XXX*/vmmcall(0x12345606, 0, 4);
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r = receive(RS_PROC_NR, &m, &status);
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/*XXX*/vmmcall(0x12345606, r, 5);
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/*XXX*/vmmcall(0x12345606, status, 6);
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/*XXX*/vmmcall(0x12345606, m.m_type, 7);
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if(r != OK) {
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panic("unable to receive from RS: %d", r);
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}
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/*XXX*/vmmcall(0x12345606, 0, 8);
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if(IS_SEF_INIT_REQUEST(&m)) {
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/*XXX*/vmmcall(0x12345606, 0, 9);
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if((r = do_sef_init_request(&m)) != OK) {
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panic("unable to process init request: %d", r);
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}
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/*XXX*/vmmcall(0x12345606, 0, 10);
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}
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else {
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/*XXX*/vmmcall(0x12345606, 0, 11);
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panic("got an unexpected message type %d", m.m_type);
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}
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/*XXX*/vmmcall(0x12345606, 0, 12);
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}
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#endif
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/*XXX*/vmmcall(0x12345606, 0, 13);
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}
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/*===========================================================================*
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@ -40,6 +40,7 @@ PUBLIC int do_sef_init_request(message *m_ptr)
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sef_init_info_t info;
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/* Debug. */
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/*XXX*/vmmcall(0x12345607, 0, 14);
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#if SEF_INIT_DEBUG
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sef_init_debug_begin();
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sef_init_dprint("%s. Got a SEF Init request of type: %d. About to init.\n",
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@ -48,29 +49,40 @@ PUBLIC int do_sef_init_request(message *m_ptr)
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#endif
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/* Let the callback code handle the request. */
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/*XXX*/vmmcall(0x12345607, 0, 15);
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type = m_ptr->RS_INIT_TYPE;
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/*XXX*/vmmcall(0x12345607, type, 16);
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info.rproctab_gid = m_ptr->RS_INIT_RPROCTAB_GID;
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info.old_endpoint = m_ptr->RS_INIT_OLD_ENDPOINT;
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switch(type) {
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case SEF_INIT_FRESH:
|
||||
/*XXX*/vmmcall(0x12345607, 0, 17);
|
||||
r = sef_cbs.sef_cb_init_fresh(type, &info);
|
||||
/*XXX*/vmmcall(0x12345607, r, 18);
|
||||
break;
|
||||
case SEF_INIT_LU:
|
||||
/*XXX*/vmmcall(0x12345607, 0, 19);
|
||||
r = sef_cbs.sef_cb_init_lu(type, &info);
|
||||
/*XXX*/vmmcall(0x12345607, r, 20);
|
||||
break;
|
||||
case SEF_INIT_RESTART:
|
||||
/*XXX*/vmmcall(0x12345607, 0, 21);
|
||||
r = sef_cbs.sef_cb_init_restart(type, &info);
|
||||
/*XXX*/vmmcall(0x12345607, r, 22);
|
||||
break;
|
||||
|
||||
default:
|
||||
/* Not a valid SEF init type. */
|
||||
/*XXX*/vmmcall(0x12345607, 0, 23);
|
||||
r = EINVAL;
|
||||
break;
|
||||
}
|
||||
|
||||
/* Report back to RS. */
|
||||
m_ptr->RS_INIT_RESULT = r;
|
||||
/*XXX*/vmmcall(0x12345607, 0, 24);
|
||||
r = sendrec(RS_PROC_NR, m_ptr);
|
||||
/*XXX*/vmmcall(0x12345607, 0, 25);
|
||||
|
||||
return r;
|
||||
}
|
||||
|
|
@ -81,7 +93,9 @@ PUBLIC int do_sef_init_request(message *m_ptr)
|
|||
PUBLIC void sef_setcb_init_fresh(sef_cb_init_t cb)
|
||||
{
|
||||
assert(cb != NULL);
|
||||
/*XXX*/vmmcall(0x12345607, (unsigned) cb, 26);
|
||||
sef_cbs.sef_cb_init_fresh = cb;
|
||||
/*XXX*/vmmcall(0x12345607, 0, 27);
|
||||
}
|
||||
|
||||
/*===========================================================================*
|
||||
|
|
|
|||
|
|
@ -75,6 +75,7 @@ int main(void)
|
|||
struct sigaction sa;
|
||||
struct stat stb;
|
||||
|
||||
/*XXX*/vmmcall(0x12345608, 0, 1);
|
||||
#define OPENFDS \
|
||||
if (fstat(0, &stb) < 0) { \
|
||||
/* Open standard input, output & error. */ \
|
||||
|
|
@ -83,6 +84,7 @@ int main(void)
|
|||
dup(1); \
|
||||
}
|
||||
|
||||
/*XXX*/vmmcall(0x12345608, 0, 2);
|
||||
sigemptyset(&sa.sa_mask);
|
||||
sa.sa_flags = 0;
|
||||
|
||||
|
|
@ -105,11 +107,15 @@ int main(void)
|
|||
sigaction(SIGABRT, &sa, NULL);
|
||||
|
||||
/* Execute the /etc/rc file. */
|
||||
/*XXX*/vmmcall(0x12345608, 0, 3);
|
||||
if ((pid = fork()) != 0) {
|
||||
/*XXX*/vmmcall(0x12345608, 0, 4);
|
||||
/* Parent just waits. */
|
||||
while (wait(NULL) != pid) {
|
||||
/*XXX*/vmmcall(0x12345608, 0, 5);
|
||||
if (gotabrt) reboot(RBT_HALT);
|
||||
}
|
||||
/*XXX*/vmmcall(0x12345608, 0, 6);
|
||||
} else {
|
||||
#if ! SYS_GETKENV
|
||||
struct sysgetenv sysgetenv;
|
||||
|
|
@ -118,6 +124,7 @@ int main(void)
|
|||
static char *rc_command[] = { "sh", "/etc/rc", NULL, NULL, NULL };
|
||||
char **rcp = rc_command + 2;
|
||||
|
||||
/*XXX*/vmmcall(0x12345608, 0, 7);
|
||||
/* Get the boot options from the boot environment. */
|
||||
sysgetenv.key = "bootopts";
|
||||
sysgetenv.keylen = 8+1;
|
||||
|
|
@ -126,11 +133,14 @@ int main(void)
|
|||
if (svrctl(MMGETPARAM, &sysgetenv) == 0) *rcp++ = bootopts;
|
||||
*rcp = "start";
|
||||
|
||||
/*XXX*/vmmcall(0x12345608, 0, 8);
|
||||
execute(rc_command);
|
||||
/*XXX*/vmmcall(0x12345608, 0, 9);
|
||||
report(2, "sh /etc/rc");
|
||||
_exit(1); /* impossible, we hope */
|
||||
}
|
||||
|
||||
/*XXX*/vmmcall(0x12345608, 0, 10);
|
||||
OPENFDS;
|
||||
|
||||
/* Clear /etc/utmp if it exists. */
|
||||
|
|
@ -148,7 +158,9 @@ int main(void)
|
|||
|
||||
check = 1;
|
||||
while (1) {
|
||||
/*XXX*/vmmcall(0x12345608, 0, 11);
|
||||
while ((pid = waitpid(-1, NULL, check ? WNOHANG : 0)) > 0) {
|
||||
/*XXX*/vmmcall(0x12345608, 0, 12);
|
||||
/* Search to see which line terminated. */
|
||||
for (linenr = 0; linenr < PIDSLOTS; linenr++) {
|
||||
slotp = &slots[linenr];
|
||||
|
|
@ -160,6 +172,7 @@ int main(void)
|
|||
}
|
||||
}
|
||||
}
|
||||
/*XXX*/vmmcall(0x12345608, 0, 13);
|
||||
|
||||
/* If a signal 1 (SIGHUP) is received, simply reset error counts. */
|
||||
if (gothup) {
|
||||
|
|
@ -193,6 +206,7 @@ int main(void)
|
|||
endttyent();
|
||||
}
|
||||
check = 0;
|
||||
/*XXX*/vmmcall(0x12345608, 0, 14);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -64,17 +64,22 @@ PUBLIC int main()
|
|||
sigset_t sigset;
|
||||
|
||||
/* SEF local startup. */
|
||||
/*XXX*/vmmcall(0x12345609, 0, 1);
|
||||
sef_local_startup();
|
||||
/*XXX*/vmmcall(0x12345609, 0, 2);
|
||||
sched_init(); /* initialize user-space scheduling */
|
||||
|
||||
/* This is PM's main loop- get work and do it, forever and forever. */
|
||||
/*XXX*/vmmcall(0x12345609, 0, 3);
|
||||
while (TRUE) {
|
||||
int ipc_status;
|
||||
|
||||
/* Wait for the next message and extract useful information from it. */
|
||||
/*XXX*/vmmcall(0x12345609, 0, 4);
|
||||
if (sef_receive_status(ANY, &m_in, &ipc_status) != OK)
|
||||
panic("PM sef_receive_status error");
|
||||
who_e = m_in.m_source; /* who sent the message */
|
||||
/*XXX*/vmmcall(0x12345609, m_in.m_type, 5);
|
||||
if(pm_isokendpt(who_e, &who_p) != OK)
|
||||
panic("PM got message from invalid endpoint: %d", who_e);
|
||||
call_nr = m_in.m_type; /* system call number */
|
||||
|
|
@ -83,6 +88,7 @@ PUBLIC int main()
|
|||
* calling. This can happen in case of synchronous alarms (CLOCK) or or
|
||||
* event like pending kernel signals (SYSTEM).
|
||||
*/
|
||||
/*XXX*/vmmcall(0x12345609, call_nr, 6);
|
||||
mp = &mproc[who_p < 0 ? PM_PROC_NR : who_p];
|
||||
if(who_p >= 0 && mp->mp_endpoint != who_e) {
|
||||
panic("PM endpoint number out of sync with source: %d",
|
||||
|
|
@ -90,6 +96,7 @@ PUBLIC int main()
|
|||
}
|
||||
|
||||
/* Drop delayed calls from exiting processes. */
|
||||
/*XXX*/vmmcall(0x12345609, 0, 7);
|
||||
if (mp->mp_flags & EXITING)
|
||||
continue;
|
||||
|
||||
|
|
@ -110,6 +117,7 @@ PUBLIC int main()
|
|||
continue;
|
||||
}
|
||||
|
||||
/*XXX*/vmmcall(0x12345609, 0, 8);
|
||||
switch(call_nr)
|
||||
{
|
||||
case PM_SETUID_REPLY:
|
||||
|
|
@ -149,8 +157,10 @@ PUBLIC int main()
|
|||
}
|
||||
|
||||
/* Send reply. */
|
||||
/*XXX*/vmmcall(0x12345609, result, 9);
|
||||
if (result != SUSPEND) setreply(who_p, result);
|
||||
sendreply();
|
||||
/*XXX*/vmmcall(0x12345609, 0, 10);
|
||||
}
|
||||
return(OK);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -51,11 +51,14 @@ PUBLIC int main(void)
|
|||
int result; /* result to return */
|
||||
|
||||
/* SEF local startup. */
|
||||
/*XXX*/vmmcall(0x1234560a, 0, 1);
|
||||
sef_local_startup();
|
||||
|
||||
/* Main loop - get work and do it, forever. */
|
||||
/*XXX*/vmmcall(0x1234560a, 0, 2);
|
||||
while (TRUE) {
|
||||
|
||||
/*XXX*/vmmcall(0x1234560a, 0, 3);
|
||||
/* Wait for request message. */
|
||||
get_work(&m, &ipc_status);
|
||||
who_e = m.m_source;
|
||||
|
|
@ -63,6 +66,7 @@ PUBLIC int main(void)
|
|||
panic("message from bogus source: %d", who_e);
|
||||
}
|
||||
|
||||
/*XXX*/vmmcall(0x1234560a, m.m_type, 4);
|
||||
call_nr = m.m_type;
|
||||
|
||||
/* Now determine what to do. Four types of requests are expected:
|
||||
|
|
@ -75,6 +79,7 @@ PUBLIC int main(void)
|
|||
/* Notification messages are control messages and do not need a reply.
|
||||
* These include heartbeat messages and system notifications.
|
||||
*/
|
||||
/*XXX*/vmmcall(0x1234560a, call_nr, 5);
|
||||
if (is_ipc_notify(ipc_status)) {
|
||||
switch (who_p) {
|
||||
case CLOCK:
|
||||
|
|
@ -104,6 +109,7 @@ PUBLIC int main(void)
|
|||
}
|
||||
|
||||
/* Handler functions are responsible for permission checking. */
|
||||
/*XXX*/vmmcall(0x1234560a, 0, 6);
|
||||
switch(call_nr) {
|
||||
/* User requests. */
|
||||
case RS_UP: result = do_up(&m); break;
|
||||
|
|
@ -123,11 +129,13 @@ PUBLIC int main(void)
|
|||
result = EINVAL;
|
||||
}
|
||||
|
||||
/*XXX*/vmmcall(0x1234560a, result, 7);
|
||||
/* Finally send reply message, unless disabled. */
|
||||
if (result != EDONTREPLY) {
|
||||
m.m_type = result;
|
||||
reply(who_e, &m);
|
||||
}
|
||||
/*XXX*/vmmcall(0x1234560a, 0, 8);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -138,14 +146,19 @@ PUBLIC int main(void)
|
|||
PRIVATE void sef_local_startup()
|
||||
{
|
||||
/* Register init callbacks. */
|
||||
/*XXX*/vmmcall(0x1234560a, 9, 9);
|
||||
sef_setcb_init_fresh(sef_cb_init_fresh); /* RS can only start fresh. */
|
||||
|
||||
/* Register signal callbacks. */
|
||||
/*XXX*/vmmcall(0x1234560a, 10, 10);
|
||||
sef_setcb_signal_handler(sef_cb_signal_handler);
|
||||
/*XXX*/vmmcall(0x1234560a, 11, 11);
|
||||
sef_setcb_signal_manager(sef_cb_signal_manager);
|
||||
/*XXX*/vmmcall(0x1234560a, 12, 12);
|
||||
|
||||
/* Let SEF perform startup. */
|
||||
sef_startup();
|
||||
/*XXX*/vmmcall(0x1234560a, 13, 13);
|
||||
}
|
||||
|
||||
/*===========================================================================*
|
||||
|
|
@ -167,19 +180,24 @@ PRIVATE int sef_cb_init_fresh(int type, sef_init_info_t *info)
|
|||
struct boot_image_dev *boot_image_dev;
|
||||
|
||||
/* See if we run in verbose mode. */
|
||||
/*XXX*/vmmcall(0x1234560a, 14, 14);
|
||||
env_parse("rs_verbose", "d", 0, &rs_verbose, 0, 1);
|
||||
|
||||
/*XXX*/vmmcall(0x1234560a, 15, 15);
|
||||
if ((s = sys_getinfo(GET_HZ, &system_hz, sizeof(system_hz), 0, 0)) != OK)
|
||||
panic("Cannot get system timer frequency\n");
|
||||
|
||||
/* Initialize the global init descriptor. */
|
||||
/*XXX*/vmmcall(0x1234560a, 16, 16);
|
||||
rinit.rproctab_gid = cpf_grant_direct(ANY, (vir_bytes) rprocpub,
|
||||
sizeof(rprocpub), CPF_READ);
|
||||
/*XXX*/vmmcall(0x1234560a, 17, 17);
|
||||
if(!GRANT_VALID(rinit.rproctab_gid)) {
|
||||
panic("unable to create rprocpub table grant: %d", rinit.rproctab_gid);
|
||||
}
|
||||
|
||||
/* Initialize some global variables. */
|
||||
/*XXX*/vmmcall(0x1234560a, 18, 18);
|
||||
rupdate.flags = 0;
|
||||
shutting_down = FALSE;
|
||||
|
||||
|
|
@ -187,6 +205,7 @@ PRIVATE int sef_cb_init_fresh(int type, sef_init_info_t *info)
|
|||
if ((s = sys_getimage(image)) != OK) {
|
||||
panic("unable to get copy of boot image table: %d", s);
|
||||
}
|
||||
/*XXX*/vmmcall(0x1234560a, 19, 19);
|
||||
|
||||
/* Determine the number of system services in the boot image table and
|
||||
* compute the size required for the boot image buffer.
|
||||
|
|
@ -197,18 +216,21 @@ PRIVATE int sef_cb_init_fresh(int type, sef_init_info_t *info)
|
|||
ip = &image[i];
|
||||
|
||||
/* System services only. */
|
||||
/*XXX*/vmmcall(0x1234560a, 20, 20);
|
||||
if(iskerneln(_ENDPOINT_P(ip->endpoint))) {
|
||||
continue;
|
||||
}
|
||||
nr_image_srvs++;
|
||||
|
||||
/* Lookup the corresponding entry in the boot image sys table. */
|
||||
/*XXX*/vmmcall(0x1234560a, 21, 21);
|
||||
boot_image_info_lookup(ip->endpoint, image,
|
||||
NULL, NULL, &boot_image_sys, NULL);
|
||||
|
||||
/* If we must keep a copy of this system service, read the header
|
||||
* and increase the size of the boot image buffer.
|
||||
*/
|
||||
/*XXX*/vmmcall(0x1234560a, 22, 22);
|
||||
if(boot_image_sys->flags & SF_USE_REPL) {
|
||||
boot_image_sys->flags |= SF_USE_COPY;
|
||||
}
|
||||
|
|
@ -219,11 +241,13 @@ PRIVATE int sef_cb_init_fresh(int type, sef_init_info_t *info)
|
|||
boot_image_buffer_size += header.a_hdrlen
|
||||
+ header.a_text + header.a_data;
|
||||
}
|
||||
/*XXX*/vmmcall(0x1234560a, 23, 23);
|
||||
}
|
||||
|
||||
/* Determine the number of entries in the boot image priv table and make sure
|
||||
* it matches the number of system services in the boot image table.
|
||||
*/
|
||||
/*XXX*/vmmcall(0x1234560a, 24, 24);
|
||||
nr_image_priv_srvs = 0;
|
||||
for (i=0; boot_image_priv_table[i].endpoint != NULL_BOOT_NR; i++) {
|
||||
boot_image_priv = &boot_image_priv_table[i];
|
||||
|
|
@ -239,6 +263,7 @@ PRIVATE int sef_cb_init_fresh(int type, sef_init_info_t *info)
|
|||
}
|
||||
|
||||
/* Allocate boot image buffer. */
|
||||
/*XXX*/vmmcall(0x1234560a, 25, 25);
|
||||
if(boot_image_buffer_size > 0) {
|
||||
boot_image_buffer = rs_startup_sbrk(boot_image_buffer_size);
|
||||
if(boot_image_buffer == (char *) -1) {
|
||||
|
|
@ -247,6 +272,7 @@ PRIVATE int sef_cb_init_fresh(int type, sef_init_info_t *info)
|
|||
}
|
||||
|
||||
/* Reset the system process table. */
|
||||
/*XXX*/vmmcall(0x1234560a, 26, 26);
|
||||
for (rp=BEG_RPROC_ADDR; rp<END_RPROC_ADDR; rp++) {
|
||||
rp->r_flags = 0;
|
||||
rp->r_pub = &rprocpub[rp - rproc];
|
||||
|
|
@ -260,10 +286,12 @@ PRIVATE int sef_cb_init_fresh(int type, sef_init_info_t *info)
|
|||
* In addition, set priviliges, sys properties, and dev properties (if any)
|
||||
* for every system service.
|
||||
*/
|
||||
/*XXX*/vmmcall(0x1234560a, 27, 27);
|
||||
for (i=0; boot_image_priv_table[i].endpoint != NULL_BOOT_NR; i++) {
|
||||
boot_image_priv = &boot_image_priv_table[i];
|
||||
|
||||
/* System services only. */
|
||||
/*XXX*/vmmcall(0x1234560a, 28, 28);
|
||||
if(iskerneln(_ENDPOINT_P(boot_image_priv->endpoint))) {
|
||||
continue;
|
||||
}
|
||||
|
|
@ -277,6 +305,7 @@ PRIVATE int sef_cb_init_fresh(int type, sef_init_info_t *info)
|
|||
/*
|
||||
* Get a copy of the executable image if required.
|
||||
*/
|
||||
/*XXX*/vmmcall(0x1234560a, 29, 29);
|
||||
rp->r_exec_len = 0;
|
||||
rp->r_exec = NULL;
|
||||
if(boot_image_sys->flags & SF_USE_COPY) {
|
||||
|
|
@ -293,6 +322,7 @@ PRIVATE int sef_cb_init_fresh(int type, sef_init_info_t *info)
|
|||
rpub->period = boot_image_priv->period;
|
||||
|
||||
if(boot_image_priv->endpoint != RS_PROC_NR) {
|
||||
/*XXX*/vmmcall(0x1234560a, 30, 30);
|
||||
/* Force a static priv id for system services in the boot image. */
|
||||
rp->r_priv.s_id = static_priv_id(
|
||||
_ENDPOINT_P(boot_image_priv->endpoint));
|
||||
|
|
@ -309,13 +339,16 @@ PRIVATE int sef_cb_init_fresh(int type, sef_init_info_t *info)
|
|||
rp->r_priv.s_k_call_mask, KERNEL_CALL, TRUE);
|
||||
|
||||
/* Set the privilege structure. */
|
||||
/*XXX*/vmmcall(0x1234560a, 31, 31);
|
||||
if ((s = sys_privctl(ip->endpoint, SYS_PRIV_SET_SYS, &(rp->r_priv)))
|
||||
!= OK) {
|
||||
panic("unable to set privilege structure: %d", s);
|
||||
}
|
||||
/*XXX*/vmmcall(0x1234560a, 32, 32);
|
||||
}
|
||||
|
||||
/* Synch the privilege structure with the kernel. */
|
||||
/*XXX*/vmmcall(0x1234560a, 33, 33);
|
||||
if ((s = sys_getpriv(&(rp->r_priv), ip->endpoint)) != OK) {
|
||||
panic("unable to synch privilege structure: %d", s);
|
||||
}
|
||||
|
|
@ -323,6 +356,7 @@ PRIVATE int sef_cb_init_fresh(int type, sef_init_info_t *info)
|
|||
/*
|
||||
* Set sys properties.
|
||||
*/
|
||||
/*XXX*/vmmcall(0x1234560a, 34, 34);
|
||||
rpub->sys_flags = boot_image_sys->flags; /* sys flags */
|
||||
|
||||
/*
|
||||
|
|
@ -342,6 +376,7 @@ PRIVATE int sef_cb_init_fresh(int type, sef_init_info_t *info)
|
|||
build_cmd_dep(rp);
|
||||
|
||||
/* Initialize vm call mask bitmap from unordered set. */
|
||||
/*XXX*/vmmcall(0x1234560a, 35, 35);
|
||||
fill_call_mask(boot_image_priv->vm_calls, NR_VM_CALLS,
|
||||
rpub->vm_call_mask, VM_RQ_BASE, TRUE);
|
||||
|
||||
|
|
@ -365,12 +400,15 @@ PRIVATE int sef_cb_init_fresh(int type, sef_init_info_t *info)
|
|||
rp->r_flags = RS_IN_USE | RS_ACTIVE;
|
||||
rproc_ptr[_ENDPOINT_P(rpub->endpoint)]= rp;
|
||||
rpub->in_use = TRUE;
|
||||
/*XXX*/vmmcall(0x1234560a, 36, 36);
|
||||
}
|
||||
|
||||
/* - Step 2: allow every system service in the boot image to run.
|
||||
*/
|
||||
nr_uncaught_init_srvs = 0;
|
||||
/*XXX*/vmmcall(0x1234560a, 37, 37);
|
||||
for (i=0; boot_image_priv_table[i].endpoint != NULL_BOOT_NR; i++) {
|
||||
/*XXX*/vmmcall(0x1234560a, 38, 38);
|
||||
boot_image_priv = &boot_image_priv_table[i];
|
||||
|
||||
/* System services only. */
|
||||
|
|
@ -388,6 +426,7 @@ PRIVATE int sef_cb_init_fresh(int type, sef_init_info_t *info)
|
|||
rpub = rp->r_pub;
|
||||
|
||||
/* Allow the service to run. */
|
||||
/*XXX*/vmmcall(0x1234560a, 39, 39);
|
||||
if ((s = sys_privctl(rpub->endpoint, SYS_PRIV_ALLOW, NULL)) != OK) {
|
||||
panic("unable to initialize privileges: %d", s);
|
||||
}
|
||||
|
|
@ -395,10 +434,13 @@ PRIVATE int sef_cb_init_fresh(int type, sef_init_info_t *info)
|
|||
/* Initialize service. We assume every service will always get
|
||||
* back to us here at boot time.
|
||||
*/
|
||||
/*XXX*/vmmcall(0x1234560a, 40, 40);
|
||||
if(boot_image_priv->flags & SYS_PROC) {
|
||||
/*XXX*/vmmcall(0x1234560a, 41, 41);
|
||||
if ((s = init_service(rp, SEF_INIT_FRESH)) != OK) {
|
||||
panic("unable to initialize service: %d", s);
|
||||
}
|
||||
/*XXX*/vmmcall(0x1234560a, 42, 42);
|
||||
if(rpub->sys_flags & SF_SYNCH_BOOT) {
|
||||
/* Catch init ready message now to synchronize. */
|
||||
catch_boot_init_ready(rpub->endpoint);
|
||||
|
|
@ -407,13 +449,17 @@ PRIVATE int sef_cb_init_fresh(int type, sef_init_info_t *info)
|
|||
/* Catch init ready message later. */
|
||||
nr_uncaught_init_srvs++;
|
||||
}
|
||||
/*XXX*/vmmcall(0x1234560a, 43, 43);
|
||||
}
|
||||
/*XXX*/vmmcall(0x1234560a, 44, 44);
|
||||
}
|
||||
|
||||
/* - Step 3: let every system service complete initialization by
|
||||
* catching all the init ready messages left.
|
||||
*/
|
||||
/*XXX*/vmmcall(0x1234560a, 45, 45);
|
||||
while(nr_uncaught_init_srvs) {
|
||||
/*XXX*/vmmcall(0x1234560a, 46, 46);
|
||||
catch_boot_init_ready(ANY);
|
||||
nr_uncaught_init_srvs--;
|
||||
}
|
||||
|
|
@ -422,11 +468,14 @@ PRIVATE int sef_cb_init_fresh(int type, sef_init_info_t *info)
|
|||
* Complete the initialization of the system process table in collaboration
|
||||
* with other system services.
|
||||
*/
|
||||
/*XXX*/vmmcall(0x1234560a, 47, 47);
|
||||
if ((s = getsysinfo(PM_PROC_NR, SI_PROC_TAB, mproc)) != OK) {
|
||||
panic("unable to get copy of PM process table: %d", s);
|
||||
}
|
||||
/*XXX*/vmmcall(0x1234560a, 48, 48);
|
||||
for (i=0; boot_image_priv_table[i].endpoint != NULL_BOOT_NR; i++) {
|
||||
boot_image_priv = &boot_image_priv_table[i];
|
||||
/*XXX*/vmmcall(0x1234560a, 49, 49);
|
||||
|
||||
/* System services only. */
|
||||
if(iskerneln(_ENDPOINT_P(boot_image_priv->endpoint))) {
|
||||
|
|
@ -456,6 +505,7 @@ PRIVATE int sef_cb_init_fresh(int type, sef_init_info_t *info)
|
|||
}
|
||||
}
|
||||
}
|
||||
/*XXX*/vmmcall(0x1234560a, 50, 50);
|
||||
|
||||
/*
|
||||
* Now complete RS initialization process in collaboration with other
|
||||
|
|
@ -463,15 +513,18 @@ PRIVATE int sef_cb_init_fresh(int type, sef_init_info_t *info)
|
|||
*/
|
||||
/* Let the rest of the system know about our dynamically allocated buffer. */
|
||||
if(boot_image_buffer_size > 0) {
|
||||
/*XXX*/vmmcall(0x1234560a, 51, 51);
|
||||
boot_image_buffer = rs_startup_sbrk_synch(boot_image_buffer_size);
|
||||
if(boot_image_buffer == (char *) -1) {
|
||||
panic("unable to synch boot image buffer");
|
||||
}
|
||||
}
|
||||
/*XXX*/vmmcall(0x1234560a, 52, 52);
|
||||
|
||||
/* Set alarm to periodically check service status. */
|
||||
if (OK != (s=sys_setalarm(RS_DELTA_T, 0)))
|
||||
panic("couldn't set alarm: %d", s);
|
||||
/*XXX*/vmmcall(0x1234560a, 53, 53);
|
||||
|
||||
/* Map out our own text and data. This is normally done in crtso.o
|
||||
* but RS is an exception - we don't get to talk to VM so early on.
|
||||
|
|
@ -483,6 +536,7 @@ PRIVATE int sef_cb_init_fresh(int type, sef_init_info_t *info)
|
|||
*/
|
||||
unmap_ok = 1;
|
||||
_minix_unmapzero();
|
||||
/*XXX*/vmmcall(0x1234560a, 54, 54);
|
||||
|
||||
return(OK);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -293,32 +293,42 @@ PUBLIC void *vm_allocpage(phys_bytes *phys, int reason)
|
|||
static int level = 0;
|
||||
void *ret;
|
||||
|
||||
/*XXX*/vmmcall(0x1234560e, 0, 86);
|
||||
pt = &vmprocess->vm_pt;
|
||||
assert(reason >= 0 && reason < VMP_CATEGORIES);
|
||||
|
||||
level++;
|
||||
/*XXX*/vmmcall(0x1234560e, level, 87);
|
||||
|
||||
assert(level >= 1);
|
||||
assert(level <= 2);
|
||||
|
||||
/*XXX*/vmmcall(0x1234560e, level, 88);
|
||||
if(level > 1 || !(vmprocess->vm_flags & VMF_HASPT) || !meminit_done) {
|
||||
int r;
|
||||
void *s;
|
||||
/*XXX*/vmmcall(0x1234560e, level, 89);
|
||||
s=vm_getsparepage(phys);
|
||||
/*XXX*/vmmcall(0x1234560e, level, 90);
|
||||
level--;
|
||||
if(!s) {
|
||||
/*XXX*/vmmcall(0x1234560e, level, 91);
|
||||
util_stacktrace();
|
||||
printf("VM: warning: out of spare pages\n");
|
||||
}
|
||||
/*XXX*/vmmcall(0x1234560e, level, 92);
|
||||
return s;
|
||||
}
|
||||
|
||||
/* VM does have a pagetable, so get a page and map it in there.
|
||||
* Where in our virtual address space can we put it?
|
||||
*/
|
||||
/*XXX*/vmmcall(0x1234560e, level, 93);
|
||||
loc = findhole(pt, arch_vir2map(vmprocess, vmprocess->vm_stacktop),
|
||||
vmprocess->vm_arch.vm_data_top);
|
||||
/*XXX*/vmmcall(0x1234560e, loc, 94);
|
||||
if(loc == NO_MEM) {
|
||||
/*XXX*/vmmcall(0x1234560e, level, 95);
|
||||
level--;
|
||||
printf("VM: vm_allocpage: findhole failed\n");
|
||||
return NULL;
|
||||
|
|
@ -327,6 +337,7 @@ PUBLIC void *vm_allocpage(phys_bytes *phys, int reason)
|
|||
/* Allocate page of memory for use by VM. As VM
|
||||
* is trusted, we don't have to pre-clear it.
|
||||
*/
|
||||
/*XXX*/vmmcall(0x1234560e, level, 96);
|
||||
if((newpage = alloc_mem(CLICKSPERPAGE, 0)) == NO_MEM) {
|
||||
level--;
|
||||
printf("VM: vm_allocpage: alloc_mem failed\n");
|
||||
|
|
@ -336,22 +347,29 @@ PUBLIC void *vm_allocpage(phys_bytes *phys, int reason)
|
|||
*phys = CLICK2ABS(newpage);
|
||||
|
||||
/* Map this page into our address space. */
|
||||
/*XXX*/vmmcall(0x1234560e, 0, 97);
|
||||
if((r=pt_writemap(pt, loc, *phys, I386_PAGE_SIZE,
|
||||
I386_VM_PRESENT | I386_VM_USER | I386_VM_WRITE, 0)) != OK) {
|
||||
/*XXX*/vmmcall(0x1234560e, 0, 98);
|
||||
free_mem(newpage, CLICKSPERPAGE);
|
||||
printf("vm_allocpage writemap failed\n");
|
||||
level--;
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/*XXX*/vmmcall(0x1234560e, 0, 99);
|
||||
if((r=sys_vmctl(SELF, VMCTL_FLUSHTLB, 0)) != OK) {
|
||||
/*XXX*/vmmcall(0x1234560e, 0, 100);
|
||||
panic("VMCTL_FLUSHTLB failed: %d", r);
|
||||
}
|
||||
|
||||
/*XXX*/vmmcall(0x1234560e, 0, 101);
|
||||
level--;
|
||||
|
||||
/* Return user-space-ready pointer to it. */
|
||||
/*XXX*/vmmcall(0x1234560e, 0, 102);
|
||||
ret = (void *) arch_map2vir(vmprocess, loc);
|
||||
/*XXX*/vmmcall(0x1234560e, ret, 103);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
|
@ -684,12 +702,16 @@ PUBLIC int pt_new(pt_t *pt)
|
|||
* mappings from in-kernel page tables pointing to
|
||||
* the page directories (the page_directories data).
|
||||
*/
|
||||
/*XXX*/vmmcall(0x1234560e, 0, 80);
|
||||
if(!pt->pt_dir &&
|
||||
!(pt->pt_dir = vm_allocpage(&pt->pt_dir_phys, VMP_PAGEDIR))) {
|
||||
/*XXX*/vmmcall(0x1234560e, 0, 81);
|
||||
return ENOMEM;
|
||||
}
|
||||
|
||||
/*XXX*/vmmcall(0x1234560e, 0, 82);
|
||||
for(i = 0; i < I386_VM_DIR_ENTRIES; i++) {
|
||||
/*XXX*/vmmcall(0x1234560e, 0, 83);
|
||||
pt->pt_dir[i] = 0; /* invalid entry (I386_VM_PRESENT bit = 0) */
|
||||
pt->pt_pt[i] = NULL;
|
||||
}
|
||||
|
|
@ -698,9 +720,11 @@ PUBLIC int pt_new(pt_t *pt)
|
|||
pt->pt_virtop = 0;
|
||||
|
||||
/* Map in kernel. */
|
||||
/*XXX*/vmmcall(0x1234560e, 0, 84);
|
||||
if(pt_mapkernel(pt) != OK)
|
||||
panic("pt_new: pt_mapkernel failed");
|
||||
|
||||
/*XXX*/vmmcall(0x1234560e, 0, 85);
|
||||
return OK;
|
||||
}
|
||||
|
||||
|
|
@ -732,12 +756,15 @@ PUBLIC void pt_init(phys_bytes usedlimit)
|
|||
newpt = &vmprocess->vm_pt;
|
||||
|
||||
/* Get ourselves spare pages. */
|
||||
/*XXX*/vmmcall(0x1234560e, 0, 54);
|
||||
if(!(sparepages_mem = (vir_bytes) aalloc(I386_PAGE_SIZE*SPAREPAGES)))
|
||||
panic("pt_init: aalloc for spare failed");
|
||||
/*XXX*/vmmcall(0x1234560e, 0, 55);
|
||||
if((r=sys_umap(SELF, VM_D, (vir_bytes) sparepages_mem,
|
||||
I386_PAGE_SIZE*SPAREPAGES, &sparepages_ph)) != OK)
|
||||
panic("pt_init: sys_umap failed: %d", r);
|
||||
|
||||
/*XXX*/vmmcall(0x1234560e, 0, 56);
|
||||
for(s = 0; s < SPAREPAGES; s++) {
|
||||
sparepages[s].page = (void *) (sparepages_mem + s*I386_PAGE_SIZE);
|
||||
sparepages[s].phys = sparepages_ph + s*I386_PAGE_SIZE;
|
||||
|
|
@ -748,6 +775,7 @@ PUBLIC void pt_init(phys_bytes usedlimit)
|
|||
/* global bit and 4MB pages available? */
|
||||
global_bit_ok = _cpufeature(_CPUF_I386_PGE);
|
||||
bigpage_ok = _cpufeature(_CPUF_I386_PSE);
|
||||
/*XXX*/vmmcall(0x1234560e, 0, 57);
|
||||
|
||||
/* Set bit for PTE's and PDE's if available. */
|
||||
if(global_bit_ok)
|
||||
|
|
@ -780,10 +808,12 @@ PUBLIC void pt_init(phys_bytes usedlimit)
|
|||
/* Make new page table for ourselves, partly copied
|
||||
* from the current one.
|
||||
*/
|
||||
/*XXX*/vmmcall(0x1234560e, 0, 58);
|
||||
if(pt_new(newpt) != OK)
|
||||
panic("pt_init: pt_new failed");
|
||||
|
||||
/* Set up mappings for VM process. */
|
||||
/*XXX*/vmmcall(0x1234560e, 0, 59);
|
||||
for(v = lo; v < hi; v += I386_PAGE_SIZE) {
|
||||
phys_bytes addr;
|
||||
u32_t flags;
|
||||
|
|
@ -791,12 +821,14 @@ PUBLIC void pt_init(phys_bytes usedlimit)
|
|||
/* We have to write the new position in the PT,
|
||||
* so we can move our segments.
|
||||
*/
|
||||
/*XXX*/vmmcall(0x1234560e, 0, 60);
|
||||
if(pt_writemap(newpt, v+moveup, v, I386_PAGE_SIZE,
|
||||
I386_VM_PRESENT|I386_VM_WRITE|I386_VM_USER, 0) != OK)
|
||||
panic("pt_init: pt_writemap failed");
|
||||
}
|
||||
|
||||
/* Move segments up too. */
|
||||
/*XXX*/vmmcall(0x1234560e, 0, 61);
|
||||
vmprocess->vm_arch.vm_seg[T].mem_phys += ABS2CLICK(moveup);
|
||||
vmprocess->vm_arch.vm_seg[D].mem_phys += ABS2CLICK(moveup);
|
||||
vmprocess->vm_arch.vm_seg[S].mem_phys += ABS2CLICK(moveup);
|
||||
|
|
@ -804,10 +836,12 @@ PUBLIC void pt_init(phys_bytes usedlimit)
|
|||
/* Allocate us a page table in which to remember page directory
|
||||
* pointers.
|
||||
*/
|
||||
/*XXX*/vmmcall(0x1234560e, 0, 62);
|
||||
if(!(page_directories = vm_allocpage(&page_directories_phys,
|
||||
VMP_PAGETABLE)))
|
||||
panic("no virt addr for vm mappings");
|
||||
|
||||
/*XXX*/vmmcall(0x1234560e, 0, 63);
|
||||
memset(page_directories, 0, I386_PAGE_SIZE);
|
||||
|
||||
/* Increase our hardware data segment to create virtual address
|
||||
|
|
@ -842,9 +876,11 @@ PUBLIC void pt_init(phys_bytes usedlimit)
|
|||
kernmap_pde = free_pde++;
|
||||
offset = kernmap_pde * I386_BIG_PAGE_SIZE;
|
||||
|
||||
/*XXX*/vmmcall(0x1234560e, 0, 64);
|
||||
while(sys_vmctl_get_mapping(index, &addr, &len,
|
||||
&flags) == OK) {
|
||||
vir_bytes vir;
|
||||
/*XXX*/vmmcall(0x1234560e, 0, 65);
|
||||
if(index >= MAX_KERNMAPPINGS)
|
||||
panic("VM: too many kernel mappings: %d", index);
|
||||
kern_mappings[index].phys_addr = addr;
|
||||
|
|
@ -854,30 +890,36 @@ PUBLIC void pt_init(phys_bytes usedlimit)
|
|||
kern_mappings[index].flags =
|
||||
I386_VM_PRESENT | I386_VM_USER | I386_VM_WRITE |
|
||||
global_bit;
|
||||
/*XXX*/vmmcall(0x1234560e, 0, 66);
|
||||
if(flags & VMMF_UNCACHED)
|
||||
kern_mappings[index].flags |= PTF_NOCACHE;
|
||||
if(addr % I386_PAGE_SIZE)
|
||||
panic("VM: addr unaligned: %d", addr);
|
||||
if(len % I386_PAGE_SIZE)
|
||||
panic("VM: len unaligned: %d", len);
|
||||
/*XXX*/vmmcall(0x1234560e, 0, 67);
|
||||
vir = arch_map2vir(&vmproc[VMP_SYSTEM], offset);
|
||||
if(sys_vmctl_reply_mapping(index, vir) != OK)
|
||||
panic("VM: reply failed");
|
||||
offset += len;
|
||||
index++;
|
||||
kernmappings++;
|
||||
/*XXX*/vmmcall(0x1234560e, 0, 68);
|
||||
}
|
||||
}
|
||||
|
||||
/* Find a PDE below processes available for mapping in the
|
||||
* page directories (readonly).
|
||||
*/
|
||||
/*XXX*/vmmcall(0x1234560e, 0, 69);
|
||||
pagedir_pde = free_pde++;
|
||||
pagedir_pde_val = (page_directories_phys & I386_VM_ADDR_MASK) |
|
||||
I386_VM_PRESENT | I386_VM_USER | I386_VM_WRITE;
|
||||
|
||||
/* Tell kernel about free pde's. */
|
||||
/*XXX*/vmmcall(0x1234560e, 0, 70);
|
||||
while(free_pde*I386_BIG_PAGE_SIZE < VM_PROCSTART) {
|
||||
/*XXX*/vmmcall(0x1234560e, 0, 71);
|
||||
if((r=sys_vmctl(SELF, VMCTL_I386_FREEPDE, free_pde++)) != OK) {
|
||||
panic("VMCTL_I386_FREEPDE failed: %d", r);
|
||||
}
|
||||
|
|
@ -887,20 +929,25 @@ PUBLIC void pt_init(phys_bytes usedlimit)
|
|||
proc_pde = free_pde;
|
||||
|
||||
/* Give our process the new, copied, private page table. */
|
||||
/*XXX*/vmmcall(0x1234560e, 0, 72);
|
||||
pt_mapkernel(newpt); /* didn't know about vm_dir pages earlier */
|
||||
/*XXX*/vmmcall(0x1234560e, 0, 73);
|
||||
pt_bind(newpt, vmprocess);
|
||||
|
||||
/* new segment limit for the kernel after paging is enabled */
|
||||
/*XXX*/vmmcall(0x1234560e, 0, 74);
|
||||
ep_data.data_seg_limit = free_pde*I386_BIG_PAGE_SIZE;
|
||||
/* the memory map which must be installed after paging is enabled */
|
||||
ep_data.mem_map = vmprocess->vm_arch.vm_seg;
|
||||
|
||||
/* Now actually enable paging. */
|
||||
/*XXX*/vmmcall(0x1234560e, 0, 75);
|
||||
if(sys_vmctl_enable_paging(&ep_data) != OK)
|
||||
panic("pt_init: enable paging failed");
|
||||
|
||||
/* Back to reality - this is where the stack actually is. */
|
||||
vmprocess->vm_arch.vm_seg[S].mem_len -= extra_clicks;
|
||||
/*XXX*/vmmcall(0x1234560e, 0, 76);
|
||||
|
||||
/* All OK. */
|
||||
return;
|
||||
|
|
|
|||
|
|
@ -415,6 +415,7 @@ PUBLIC int proc_new(struct vmproc *vmp,
|
|||
int prealloc;
|
||||
struct vir_region *reg;
|
||||
|
||||
/*XXX*/vmmcall(0x1234560b, 0, 1);
|
||||
assert(!(vstart % VM_PAGE_SIZE));
|
||||
assert(!(text_bytes % VM_PAGE_SIZE));
|
||||
assert(!(data_bytes % VM_PAGE_SIZE));
|
||||
|
|
@ -425,6 +426,7 @@ PUBLIC int proc_new(struct vmproc *vmp,
|
|||
assert((!text_start && !data_start) || (text_start && data_start));
|
||||
|
||||
/* Place text at start of process. */
|
||||
/*XXX*/vmmcall(0x1234560b, 0, 2);
|
||||
vmp->vm_arch.vm_seg[T].mem_phys = ABS2CLICK(vstart);
|
||||
vmp->vm_arch.vm_seg[T].mem_vir = 0;
|
||||
vmp->vm_arch.vm_seg[T].mem_len = ABS2CLICK(text_bytes);
|
||||
|
|
@ -434,35 +436,50 @@ PUBLIC int proc_new(struct vmproc *vmp,
|
|||
/* page mapping flags for code */
|
||||
#define TEXTFLAGS (PTF_PRESENT | PTF_USER)
|
||||
SANITYCHECK(SCL_DETAIL);
|
||||
/*XXX*/vmmcall(0x1234560b, 0, 3);
|
||||
if(text_bytes > 0) {
|
||||
/*XXX*/vmmcall(0x1234560b, 0, 4);
|
||||
if(!(reg=map_page_region(vmp, vstart, 0, text_bytes,
|
||||
text_start ? text_start : MAP_NONE,
|
||||
VR_ANON | VR_WRITABLE, text_start ? 0 : MF_PREALLOC))) {
|
||||
/*XXX*/vmmcall(0x1234560b, 0, 5);
|
||||
SANITYCHECK(SCL_DETAIL);
|
||||
printf("VM: proc_new: map_page_region failed (text)\n");
|
||||
map_free_proc(vmp);
|
||||
SANITYCHECK(SCL_DETAIL);
|
||||
/*XXX*/vmmcall(0x1234560b, 0, 6);
|
||||
return(ENOMEM);
|
||||
}
|
||||
/*XXX*/vmmcall(0x1234560b, 0, 7);
|
||||
map_region_set_tag(reg, VRT_TEXT);
|
||||
/*XXX*/vmmcall(0x1234560b, 0, 8);
|
||||
SANITYCHECK(SCL_DETAIL);
|
||||
/*XXX*/vmmcall(0x1234560b, 0, 9);
|
||||
}
|
||||
/*XXX*/vmmcall(0x1234560b, 0, 10);
|
||||
SANITYCHECK(SCL_DETAIL);
|
||||
/*XXX*/vmmcall(0x1234560b, 0, 11);
|
||||
|
||||
/* Allocate memory for data (including bss, but not including gap
|
||||
* or stack), make sure it's cleared, and map it in after text
|
||||
* (if any).
|
||||
*/
|
||||
/*XXX*/vmmcall(0x1234560b, 0, 12);
|
||||
if(!(vmp->vm_heap = map_page_region(vmp, vstart + text_bytes, 0,
|
||||
data_bytes, data_start ? data_start : MAP_NONE, VR_ANON | VR_WRITABLE,
|
||||
data_start ? 0 : MF_PREALLOC))) {
|
||||
/*XXX*/vmmcall(0x1234560b, 0, 13);
|
||||
printf("VM: exec: map_page_region for data failed\n");
|
||||
/*XXX*/vmmcall(0x1234560b, 0, 14);
|
||||
map_free_proc(vmp);
|
||||
/*XXX*/vmmcall(0x1234560b, 0, 15);
|
||||
SANITYCHECK(SCL_DETAIL);
|
||||
/*XXX*/vmmcall(0x1234560b, 0, 16);
|
||||
return ENOMEM;
|
||||
}
|
||||
|
||||
/* Tag the heap so brk() call knows which region to extend. */
|
||||
/*XXX*/vmmcall(0x1234560b, 0, 17);
|
||||
map_region_set_tag(vmp->vm_heap, VRT_HEAP);
|
||||
|
||||
/* How many address space clicks between end of data
|
||||
|
|
@ -470,17 +487,22 @@ PUBLIC int proc_new(struct vmproc *vmp,
|
|||
* stacktop is the first address after the stack, as addressed
|
||||
* from within the user process.
|
||||
*/
|
||||
/*XXX*/vmmcall(0x1234560b, 0, 18);
|
||||
hole_bytes = stacktop - data_bytes - stack_bytes - gap_bytes;
|
||||
|
||||
/*XXX*/vmmcall(0x1234560b, 0, 19);
|
||||
if(!(reg=map_page_region(vmp,
|
||||
vstart + text_bytes + data_bytes + hole_bytes,
|
||||
0, stack_bytes + gap_bytes, MAP_NONE,
|
||||
VR_ANON | VR_WRITABLE, prealloc_stack ? MF_PREALLOC : 0)) != OK) {
|
||||
/*XXX*/vmmcall(0x1234560b, 0, 20);
|
||||
panic("map_page_region failed for stack");
|
||||
}
|
||||
|
||||
/*XXX*/vmmcall(0x1234560b, 0, 21);
|
||||
map_region_set_tag(reg, VRT_STACK);
|
||||
|
||||
/*XXX*/vmmcall(0x1234560b, 0, 22);
|
||||
vmp->vm_arch.vm_seg[D].mem_phys = ABS2CLICK(vstart + text_bytes);
|
||||
vmp->vm_arch.vm_seg[D].mem_vir = 0;
|
||||
vmp->vm_arch.vm_seg[D].mem_len = ABS2CLICK(data_bytes);
|
||||
|
|
@ -496,6 +518,7 @@ PUBLIC int proc_new(struct vmproc *vmp,
|
|||
|
||||
vmp->vm_flags |= VMF_HASPT;
|
||||
|
||||
/*XXX*/vmmcall(0x1234560b, 0, 23);
|
||||
if(vmp->vm_endpoint != NONE) {
|
||||
|
||||
/* Pretend the stack is the full size of the data segment, so
|
||||
|
|
@ -503,22 +526,29 @@ PUBLIC int proc_new(struct vmproc *vmp,
|
|||
* After sys_newmap(), change the stack to what we know the
|
||||
* stack to be (up to stacktop).
|
||||
*/
|
||||
/*XXX*/vmmcall(0x1234560b, 0, 24);
|
||||
vmp->vm_arch.vm_seg[S].mem_len = (VM_DATATOP >> CLICK_SHIFT) -
|
||||
vmp->vm_arch.vm_seg[S].mem_vir - ABS2CLICK(vstart) - ABS2CLICK(text_bytes);
|
||||
|
||||
/* What is the final size of the data segment in bytes? */
|
||||
/*XXX*/vmmcall(0x1234560b, 0, 25);
|
||||
vmp->vm_arch.vm_data_top =
|
||||
(vmp->vm_arch.vm_seg[S].mem_vir +
|
||||
vmp->vm_arch.vm_seg[S].mem_len) << CLICK_SHIFT;
|
||||
|
||||
/*XXX*/vmmcall(0x1234560b, 0, 26);
|
||||
if((s=sys_newmap(vmp->vm_endpoint, vmp->vm_arch.vm_seg)) != OK)
|
||||
panic("sys_newmap (vm) failed: %d", s);
|
||||
/*XXX*/vmmcall(0x1234560b, 0, 27);
|
||||
if((s=pt_bind(&vmp->vm_pt, vmp)) != OK)
|
||||
panic("exec_newmem: pt_bind failed: %d", s);
|
||||
/*XXX*/vmmcall(0x1234560b, 0, 28);
|
||||
}
|
||||
|
||||
/* No yielded memory blocks. */
|
||||
/*XXX*/vmmcall(0x1234560b, 0, 29);
|
||||
yielded_init(&vmp->vm_yielded_blocks);
|
||||
/*XXX*/vmmcall(0x1234560b, 0, 30);
|
||||
|
||||
return OK;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -79,23 +79,30 @@ PUBLIC int main(void)
|
|||
int caller_slot;
|
||||
struct vmproc *vmp_caller;
|
||||
|
||||
/*XXX*/vmmcall(0x1234560c, 0, 0);
|
||||
|
||||
/* SEF local startup. */
|
||||
sef_local_startup();
|
||||
|
||||
/*XXX*/vmmcall(0x1234560c, 0, 1);
|
||||
SANITYCHECK(SCL_TOP);
|
||||
|
||||
/* This is VM's main loop. */
|
||||
/*XXX*/vmmcall(0x1234560c, 0, 2);
|
||||
while (TRUE) {
|
||||
int r, c;
|
||||
|
||||
/*XXX*/vmmcall(0x1234560c, 0, 3);
|
||||
SANITYCHECK(SCL_TOP);
|
||||
if(missing_spares > 0) {
|
||||
pt_cycle(); /* pagetable code wants to be called */
|
||||
}
|
||||
|
||||
/*XXX*/vmmcall(0x1234560c, 0, 4);
|
||||
if ((r=sef_receive_status(ANY, &msg, &rcv_sts)) != OK)
|
||||
panic("sef_receive_status() error: %d", r);
|
||||
|
||||
/*XXX*/vmmcall(0x1234560c, msg.m_type, 5);
|
||||
if (is_ipc_notify(rcv_sts)) {
|
||||
/* Unexpected notify(). */
|
||||
printf("VM: ignoring notify() from %d\n", msg.m_source);
|
||||
|
|
@ -106,6 +113,7 @@ PUBLIC int main(void)
|
|||
panic("invalid caller", who_e);
|
||||
vmp_caller = &vmproc[caller_slot];
|
||||
c = CALLNUMBER(msg.m_type);
|
||||
/*XXX*/vmmcall(0x1234560c, c, 6);
|
||||
result = ENOSYS; /* Out of range or restricted calls return this. */
|
||||
if (msg.m_type == VM_PAGEFAULT) {
|
||||
if (!IPC_STATUS_FLAGS_TEST(rcv_sts, IPC_FLG_MSG_FROM_KERNEL)) {
|
||||
|
|
@ -131,6 +139,7 @@ PUBLIC int main(void)
|
|||
SANITYCHECK(SCL_FUNCTIONS);
|
||||
}
|
||||
}
|
||||
/*XXX*/vmmcall(0x1234560c, result, 7);
|
||||
|
||||
/* Send reply message, unless the return code is SUSPEND,
|
||||
* which is a pseudo-result suppressing the reply message.
|
||||
|
|
@ -143,7 +152,9 @@ PUBLIC int main(void)
|
|||
panic("send() error");
|
||||
}
|
||||
}
|
||||
/*XXX*/vmmcall(0x1234560c, 0, 8);
|
||||
}
|
||||
/*XXX*/vmmcall(0x1234560c, 0, 9);
|
||||
return(OK);
|
||||
}
|
||||
|
||||
|
|
@ -153,16 +164,21 @@ PUBLIC int main(void)
|
|||
PRIVATE void sef_local_startup()
|
||||
{
|
||||
/* Register init callbacks. */
|
||||
/*XXX*/vmmcall(0x1234560c, 10, 10);
|
||||
sef_setcb_init_fresh(sef_cb_init_fresh);
|
||||
/*XXX*/vmmcall(0x1234560c, 11, 11);
|
||||
sef_setcb_init_restart(sef_cb_init_fail);
|
||||
|
||||
/* No live update support for now. */
|
||||
|
||||
/* Register signal callbacks. */
|
||||
/*XXX*/vmmcall(0x1234560c, 12, 12);
|
||||
sef_setcb_signal_handler(sef_cb_signal_handler);
|
||||
|
||||
/* Let SEF perform startup. */
|
||||
/*XXX*/vmmcall(0x1234560c, 13, 13);
|
||||
sef_startup();
|
||||
/*XXX*/vmmcall(0x1234560c, 14, 14);
|
||||
}
|
||||
|
||||
/*===========================================================================*
|
||||
|
|
@ -182,7 +198,8 @@ PRIVATE int sef_cb_init_fresh(int type, sef_init_info_t *info)
|
|||
#if SANITYCHECKS
|
||||
incheck = nocheck = 0;
|
||||
#endif
|
||||
|
||||
|
||||
/*XXX*/vmmcall(0x1234560c, 0, 27);
|
||||
vm_paged = 1;
|
||||
env_parse("vm_paged", "d", 0, &vm_paged, 0, 1);
|
||||
#if SANITYCHECKS
|
||||
|
|
@ -190,18 +207,22 @@ PRIVATE int sef_cb_init_fresh(int type, sef_init_info_t *info)
|
|||
#endif
|
||||
|
||||
/* Get chunks of available memory. */
|
||||
/*XXX*/vmmcall(0x1234560c, 0, 28);
|
||||
get_mem_chunks(mem_chunks);
|
||||
|
||||
/* Initialize VM's process table. Request a copy of the system
|
||||
* image table that is defined at the kernel level to see which
|
||||
* slots to fill in.
|
||||
*/
|
||||
/*XXX*/vmmcall(0x1234560c, 0, 28);
|
||||
if (OK != (s=sys_getimage(image)))
|
||||
panic("couldn't get image table: %d", s);
|
||||
|
||||
/* Set table to 0. This invalidates all slots (clear VMF_INUSE). */
|
||||
/*XXX*/vmmcall(0x1234560c, 0, 29);
|
||||
memset(vmproc, 0, sizeof(vmproc));
|
||||
|
||||
/*XXX*/vmmcall(0x1234560c, 0, 30);
|
||||
for(i = 0; i < ELEMENTS(vmproc); i++) {
|
||||
vmproc[i].vm_slot = i;
|
||||
}
|
||||
|
|
@ -209,10 +230,12 @@ PRIVATE int sef_cb_init_fresh(int type, sef_init_info_t *info)
|
|||
/* Walk through boot-time system processes that are alive
|
||||
* now and make valid slot entries for them.
|
||||
*/
|
||||
/*XXX*/vmmcall(0x1234560c, 0, 31);
|
||||
for (ip = &image[0]; ip < &image[NR_BOOT_PROCS]; ip++) {
|
||||
phys_bytes proclimit;
|
||||
struct vmproc *vmp;
|
||||
|
||||
/*XXX*/vmmcall(0x1234560c, 0, 32);
|
||||
if(ip->proc_nr >= _NR_PROCS) { panic("proc: %d", ip->proc_nr); }
|
||||
if(ip->proc_nr < 0 && ip->proc_nr != SYSTEM) continue;
|
||||
|
||||
|
|
@ -228,22 +251,28 @@ PRIVATE int sef_cb_init_fresh(int type, sef_init_info_t *info)
|
|||
/* Initialize normal process table slot or special SYSTEM
|
||||
* table slot. Kernel memory is already reserved.
|
||||
*/
|
||||
/*XXX*/vmmcall(0x1234560c, 0, 33);
|
||||
GETVMP(vmp, ip->proc_nr);
|
||||
|
||||
/* reset fields as if exited */
|
||||
/*XXX*/vmmcall(0x1234560c, 0, 34);
|
||||
clear_proc(vmp);
|
||||
|
||||
/* Get memory map for this process from the kernel. */
|
||||
/*XXX*/vmmcall(0x1234560c, 0, 35);
|
||||
if ((s=get_mem_map(ip->proc_nr, vmp->vm_arch.vm_seg)) != OK)
|
||||
panic("couldn't get process mem_map: %d", s);
|
||||
|
||||
/* Remove this memory from the free list. */
|
||||
/*XXX*/vmmcall(0x1234560c, 0, 36);
|
||||
reserve_proc_mem(mem_chunks, vmp->vm_arch.vm_seg);
|
||||
|
||||
/* Set memory limit. */
|
||||
/*XXX*/vmmcall(0x1234560c, 0, 37);
|
||||
proclimit = CLICK2ABS(vmp->vm_arch.vm_seg[S].mem_phys +
|
||||
vmp->vm_arch.vm_seg[S].mem_len) - 1;
|
||||
|
||||
/*XXX*/vmmcall(0x1234560c, 0, 38);
|
||||
if(proclimit > limit)
|
||||
limit = proclimit;
|
||||
|
||||
|
|
@ -255,21 +284,26 @@ PRIVATE int sef_cb_init_fresh(int type, sef_init_info_t *info)
|
|||
|
||||
if (vmp->vm_arch.vm_seg[T].mem_len != 0)
|
||||
vmp->vm_flags |= VMF_SEPARATE;
|
||||
/*XXX*/vmmcall(0x1234560c, 0, 39);
|
||||
}
|
||||
|
||||
/* Architecture-dependent initialization. */
|
||||
/*XXX*/vmmcall(0x1234560c, 0, 40);
|
||||
pt_init(limit);
|
||||
|
||||
/* Initialize tables to all physical memory. */
|
||||
/*XXX*/vmmcall(0x1234560c, 0, 41);
|
||||
mem_init(mem_chunks);
|
||||
meminit_done = 1;
|
||||
|
||||
/* Give these processes their own page table. */
|
||||
/*XXX*/vmmcall(0x1234560c, 0, 42);
|
||||
for (ip = &image[0]; ip < &image[NR_BOOT_PROCS]; ip++) {
|
||||
int s;
|
||||
struct vmproc *vmp;
|
||||
vir_bytes old_stacktop, old_stack;
|
||||
|
||||
/*XXX*/vmmcall(0x1234560c, 0, 43);
|
||||
if(ip->proc_nr < 0) continue;
|
||||
|
||||
GETVMP(vmp, ip->proc_nr);
|
||||
|
|
@ -282,20 +316,26 @@ PRIVATE int sef_cb_init_fresh(int type, sef_init_info_t *info)
|
|||
vmp->vm_arch.vm_seg[S].mem_len -
|
||||
vmp->vm_arch.vm_seg[D].mem_len;
|
||||
|
||||
/*XXX*/vmmcall(0x1234560c, 0, 44);
|
||||
if(pt_new(&vmp->vm_pt) != OK)
|
||||
panic("VM: no new pagetable");
|
||||
#define BASICSTACK VM_PAGE_SIZE
|
||||
/*XXX*/vmmcall(0x1234560c, 0, 77);
|
||||
old_stacktop = CLICK2ABS(vmp->vm_arch.vm_seg[S].mem_vir +
|
||||
vmp->vm_arch.vm_seg[S].mem_len);
|
||||
/*XXX*/vmmcall(0x1234560c, old_stacktop, 78);
|
||||
if(sys_vmctl(vmp->vm_endpoint, VMCTL_INCSP,
|
||||
VM_STACKTOP - old_stacktop) != OK) {
|
||||
/*XXX*/vmmcall(0x1234560c, 0, 79);
|
||||
panic("VM: vmctl for new stack failed");
|
||||
}
|
||||
|
||||
/*XXX*/vmmcall(0x1234560c, 0, 45);
|
||||
free_mem(vmp->vm_arch.vm_seg[D].mem_phys +
|
||||
vmp->vm_arch.vm_seg[D].mem_len,
|
||||
old_stack);
|
||||
|
||||
/*XXX*/vmmcall(0x1234560c, 0, 46);
|
||||
if(proc_new(vmp,
|
||||
VM_PROCSTART,
|
||||
CLICK2ABS(vmp->vm_arch.vm_seg[T].mem_len),
|
||||
|
|
@ -309,6 +349,7 @@ PRIVATE int sef_cb_init_fresh(int type, sef_init_info_t *info)
|
|||
VM_STACKTOP, 0) != OK) {
|
||||
panic("failed proc_new for boot process");
|
||||
}
|
||||
/*XXX*/vmmcall(0x1234560c, 0, 47);
|
||||
}
|
||||
|
||||
/* Set up table of calls. */
|
||||
|
|
@ -322,6 +363,7 @@ PRIVATE int sef_cb_init_fresh(int type, sef_init_info_t *info)
|
|||
/* Set call table to 0. This invalidates all calls (clear
|
||||
* vmc_func).
|
||||
*/
|
||||
/*XXX*/vmmcall(0x1234560c, 0, 48);
|
||||
memset(vm_calls, 0, sizeof(vm_calls));
|
||||
|
||||
/* Basic VM calls. */
|
||||
|
|
@ -359,17 +401,21 @@ PRIVATE int sef_cb_init_fresh(int type, sef_init_info_t *info)
|
|||
CALLMAP(VM_YIELDBLOCKGETBLOCK, do_yieldblockgetblock);
|
||||
|
||||
/* Sanity checks */
|
||||
/*XXX*/vmmcall(0x1234560c, 0, 49);
|
||||
if(find_kernel_top() >= VM_PROCSTART)
|
||||
panic("kernel loaded too high");
|
||||
|
||||
/* Initialize the structures for queryexit */
|
||||
/*XXX*/vmmcall(0x1234560c, 0, 50);
|
||||
init_query_exit();
|
||||
|
||||
/* Unmap our own low pages. */
|
||||
/*XXX*/vmmcall(0x1234560c, 0, 51);
|
||||
unmap_ok = 1;
|
||||
_minix_unmapzero();
|
||||
|
||||
/* Map all the services in the boot image. */
|
||||
/*XXX*/vmmcall(0x1234560c, 0, 52);
|
||||
if((s = sys_safecopyfrom(RS_PROC_NR, info->rproctab_gid, 0,
|
||||
(vir_bytes) rprocpub, sizeof(rprocpub), S)) != OK) {
|
||||
panic("sys_safecopyfrom failed: %d", s);
|
||||
|
|
@ -381,6 +427,7 @@ PRIVATE int sef_cb_init_fresh(int type, sef_init_info_t *info)
|
|||
}
|
||||
}
|
||||
}
|
||||
/*XXX*/vmmcall(0x1234560c, 0, 53);
|
||||
|
||||
return(OK);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -439,21 +439,25 @@ int mapflags;
|
|||
struct phys_region *ph;
|
||||
physr_avl *phavl;
|
||||
|
||||
/*XXX*/vmmcall(0x1234560d, 0, 31);
|
||||
assert(!(length % VM_PAGE_SIZE));
|
||||
|
||||
SANITYCHECK(SCL_FUNCTIONS);
|
||||
|
||||
/*XXX*/vmmcall(0x1234560d, 0, 32);
|
||||
startv = region_find_slot(vmp, minv, maxv, length, &prevregion);
|
||||
if (startv == (vir_bytes) -1)
|
||||
return NULL;
|
||||
|
||||
/* Now we want a new region. */
|
||||
/*XXX*/vmmcall(0x1234560d, 0, 33);
|
||||
if(!SLABALLOC(newregion)) {
|
||||
printf("VM: map_page_region: allocating region failed\n");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/* Fill in node details. */
|
||||
/*XXX*/vmmcall(0x1234560d, 0, 34);
|
||||
USE(newregion,
|
||||
newregion->vaddr = startv;
|
||||
newregion->length = length;
|
||||
|
|
@ -461,23 +465,29 @@ USE(newregion,
|
|||
newregion->tag = VRT_NONE;
|
||||
newregion->parent = vmp;);
|
||||
|
||||
/*XXX*/vmmcall(0x1234560d, 0, 35);
|
||||
SLABALLOC(phavl);
|
||||
if(!phavl) {
|
||||
/*XXX*/vmmcall(0x1234560d, 0, 36);
|
||||
printf("VM: map_page_region: allocating phys avl failed\n");
|
||||
SLABFREE(newregion);
|
||||
return NULL;
|
||||
}
|
||||
USE(newregion, newregion->phys = phavl;);
|
||||
|
||||
/*XXX*/vmmcall(0x1234560d, 0, 37);
|
||||
physr_init(newregion->phys);
|
||||
|
||||
/* If we know what we're going to map to, map it right away. */
|
||||
/*XXX*/vmmcall(0x1234560d, 0, 38);
|
||||
if(what != MAP_NONE) {
|
||||
assert(!(what % VM_PAGE_SIZE));
|
||||
assert(!(startv % VM_PAGE_SIZE));
|
||||
assert(!(mapflags & MF_PREALLOC));
|
||||
/*XXX*/vmmcall(0x1234560d, 0, 39);
|
||||
if(map_new_physblock(vmp, newregion, 0, length,
|
||||
what, PAF_CLEAR, 0) != OK) {
|
||||
/*XXX*/vmmcall(0x1234560d, 0, 40);
|
||||
printf("VM: map_new_physblock failed\n");
|
||||
USE(newregion,
|
||||
SLABFREE(newregion->phys););
|
||||
|
|
@ -486,8 +496,11 @@ USE(newregion,
|
|||
}
|
||||
}
|
||||
|
||||
/*XXX*/vmmcall(0x1234560d, 0, 41);
|
||||
if((flags & VR_ANON) && (mapflags & MF_PREALLOC)) {
|
||||
/*XXX*/vmmcall(0x1234560d, 0, 42);
|
||||
if(map_handle_memory(vmp, newregion, 0, length, 1) != OK) {
|
||||
/*XXX*/vmmcall(0x1234560d, 0, 43);
|
||||
printf("VM: map_page_region: prealloc failed\n");
|
||||
USE(newregion,
|
||||
SLABFREE(newregion->phys););
|
||||
|
|
@ -497,14 +510,18 @@ USE(newregion,
|
|||
}
|
||||
|
||||
/* Link it. */
|
||||
/*XXX*/vmmcall(0x1234560d, 0, 44);
|
||||
if(prevregion) {
|
||||
/*XXX*/vmmcall(0x1234560d, 0, 45);
|
||||
assert(prevregion->vaddr < newregion->vaddr);
|
||||
USE(newregion, newregion->next = prevregion->next;);
|
||||
USE(prevregion, prevregion->next = newregion;);
|
||||
} else {
|
||||
/*XXX*/vmmcall(0x1234560d, 0, 46);
|
||||
USE(newregion, newregion->next = vmp->vm_regions;);
|
||||
vmp->vm_regions = newregion;
|
||||
}
|
||||
/*XXX*/vmmcall(0x1234560d, 0, 47);
|
||||
|
||||
#if SANITYCHECKS
|
||||
assert(startv == newregion->vaddr);
|
||||
|
|
@ -513,8 +530,10 @@ USE(newregion,
|
|||
}
|
||||
#endif
|
||||
|
||||
/*XXX*/vmmcall(0x1234560d, 0, 48);
|
||||
SANITYCHECK(SCL_FUNCTIONS);
|
||||
|
||||
/*XXX*/vmmcall(0x1234560d, 0, 49);
|
||||
return newregion;
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue