Message type for SYS_{VIR,PHYS}COPY
Change-Id: I15d1acf9992d1b799f5687adffb186875fcd0c84
This commit is contained in:
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05f155c0a9
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5735105bc8
4 changed files with 39 additions and 26 deletions
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@ -707,6 +707,18 @@ typedef struct {
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} mess_lsys_krn_sys_abort;
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} mess_lsys_krn_sys_abort;
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_ASSERT_MSG_SIZE(mess_lsys_krn_sys_abort);
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_ASSERT_MSG_SIZE(mess_lsys_krn_sys_abort);
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typedef struct {
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endpoint_t src_endpt;
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vir_bytes src_addr;
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endpoint_t dst_endpt;
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vir_bytes dst_addr;
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phys_bytes nr_bytes;
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int flags;
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uint8_t padding[32];
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} mess_lsys_krn_sys_copy;
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_ASSERT_MSG_SIZE(mess_lsys_krn_sys_copy);
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typedef struct {
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typedef struct {
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endpoint_t endpt;
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endpoint_t endpt;
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@ -1496,6 +1508,7 @@ typedef struct {
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mess_lsys_krn_schedctl m_lsys_krn_schedctl;
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mess_lsys_krn_schedctl m_lsys_krn_schedctl;
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mess_lsys_krn_schedule m_lsys_krn_schedule;
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mess_lsys_krn_schedule m_lsys_krn_schedule;
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mess_lsys_krn_sys_abort m_lsys_krn_sys_abort;
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mess_lsys_krn_sys_abort m_lsys_krn_sys_abort;
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mess_lsys_krn_sys_copy m_lsys_krn_sys_copy;
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mess_lsys_krn_sys_iopenable m_lsys_krn_sys_iopenable;
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mess_lsys_krn_sys_iopenable m_lsys_krn_sys_iopenable;
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mess_lsys_krn_sys_irqctl m_lsys_krn_sys_irqctl;
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mess_lsys_krn_sys_irqctl m_lsys_krn_sys_irqctl;
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mess_lsys_krn_sys_memset m_lsys_krn_sys_memset;
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mess_lsys_krn_sys_memset m_lsys_krn_sys_memset;
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@ -2,11 +2,12 @@
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* m_type: SYS_VIRCOPY, SYS_PHYSCOPY
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* m_type: SYS_VIRCOPY, SYS_PHYSCOPY
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*
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*
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* The parameters for this kernel call are:
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* The parameters for this kernel call are:
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* m5_l1: CP_SRC_ADDR source offset within segment
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* m_lsys_krn_sys_copy.src_addr source offset within segment
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* m5_i1: CP_SRC_ENDPT source process number
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* m_lsys_krn_sys_copy.src_endpt source process number
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* m5_l2: CP_DST_ADDR destination offset within segment
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* m_lsys_krn_sys_copy.dst_addr destination offset within segment
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* m5_i2: CP_DST_ENDPT destination process number
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* m_lsys_krn_sys_copy.dst_endpt destination process number
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* m5_l3: CP_NR_BYTES number of bytes to copy
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* m_lsys_krn_sys_copy.nr_bytes number of bytes to copy
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* m_lsys_krn_sys_copy.flags
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*/
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*/
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#include "kernel/system.h"
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#include "kernel/system.h"
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@ -41,19 +42,19 @@ int do_copy(struct proc * caller, message * m_ptr)
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printf(
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printf(
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"do_copy: got request from %d (source %d, destination %d)\n",
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"do_copy: got request from %d (source %d, destination %d)\n",
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caller->p_endpoint,
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caller->p_endpoint,
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m_ptr->CP_SRC_ENDPT,
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m_ptr->m_lsys_krn_sys_copy.src_endpt,
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m_ptr->CP_DST_ENDPT);
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m_ptr->m_lsys_krn_sys_copy.dst_endpt);
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}
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}
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}
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}
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#endif
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#endif
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/* Dismember the command message. */
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/* Dismember the command message. */
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vir_addr[_SRC_].proc_nr_e = m_ptr->CP_SRC_ENDPT;
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vir_addr[_SRC_].proc_nr_e = m_ptr->m_lsys_krn_sys_copy.src_endpt;
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vir_addr[_DST_].proc_nr_e = m_ptr->CP_DST_ENDPT;
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vir_addr[_DST_].proc_nr_e = m_ptr->m_lsys_krn_sys_copy.dst_endpt;
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vir_addr[_SRC_].offset = (vir_bytes) m_ptr->CP_SRC_ADDR;
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vir_addr[_SRC_].offset = m_ptr->m_lsys_krn_sys_copy.src_addr;
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vir_addr[_DST_].offset = (vir_bytes) m_ptr->CP_DST_ADDR;
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vir_addr[_DST_].offset = m_ptr->m_lsys_krn_sys_copy.dst_addr;
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bytes = (phys_bytes) m_ptr->CP_NR_BYTES;
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bytes = m_ptr->m_lsys_krn_sys_copy.nr_bytes;
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/* Now do some checks for both the source and destination virtual address.
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/* Now do some checks for both the source and destination virtual address.
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* This is done once for _SRC_, then once for _DST_.
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* This is done once for _SRC_, then once for _DST_.
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@ -77,7 +78,7 @@ int do_copy(struct proc * caller, message * m_ptr)
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if (bytes != (phys_bytes) (vir_bytes) bytes) return(E2BIG);
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if (bytes != (phys_bytes) (vir_bytes) bytes) return(E2BIG);
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/* Now try to make the actual virtual copy. */
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/* Now try to make the actual virtual copy. */
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if(m_ptr->CP_FLAGS & CP_FLAG_TRY) {
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if(m_ptr->m_lsys_krn_sys_copy.flags & CP_FLAG_TRY) {
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int r;
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int r;
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assert(caller->p_endpoint == VFS_PROC_NR);
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assert(caller->p_endpoint == VFS_PROC_NR);
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r = virtual_copy(&vir_addr[_SRC_], &vir_addr[_DST_], bytes);
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r = virtual_copy(&vir_addr[_SRC_], &vir_addr[_DST_], bytes);
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@ -89,4 +90,3 @@ int do_copy(struct proc * caller, message * m_ptr)
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}
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}
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}
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}
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#endif /* (USE_VIRCOPY || USE_PHYSCOPY) */
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#endif /* (USE_VIRCOPY || USE_PHYSCOPY) */
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@ -17,12 +17,12 @@ int flags; /* copy flags */
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message copy_mess;
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message copy_mess;
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if (bytes == 0L) return(OK);
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if (bytes == 0L) return(OK);
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copy_mess.CP_SRC_ENDPT = src_proc;
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copy_mess.m_lsys_krn_sys_copy.src_endpt = src_proc;
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copy_mess.CP_SRC_ADDR = (long) src_vir;
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copy_mess.m_lsys_krn_sys_copy.src_addr = src_vir;
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copy_mess.CP_DST_ENDPT = dst_proc;
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copy_mess.m_lsys_krn_sys_copy.dst_endpt = dst_proc;
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copy_mess.CP_DST_ADDR = (long) dst_vir;
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copy_mess.m_lsys_krn_sys_copy.dst_addr = dst_vir;
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copy_mess.CP_NR_BYTES = (long) bytes;
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copy_mess.m_lsys_krn_sys_copy.nr_bytes = bytes;
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copy_mess.CP_FLAGS = flags;
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copy_mess.m_lsys_krn_sys_copy.flags = flags;
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return(_kernel_call(SYS_PHYSCOPY, ©_mess));
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return(_kernel_call(SYS_PHYSCOPY, ©_mess));
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}
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}
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@ -17,12 +17,12 @@ int flags; /* copy flags */
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if (bytes == 0L) return(OK);
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if (bytes == 0L) return(OK);
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memset(©_mess, 0, sizeof(copy_mess));
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memset(©_mess, 0, sizeof(copy_mess));
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copy_mess.CP_SRC_ENDPT = src_proc;
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copy_mess.m_lsys_krn_sys_copy.src_endpt = src_proc;
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copy_mess.CP_SRC_ADDR = (long) src_vir;
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copy_mess.m_lsys_krn_sys_copy.src_addr = src_vir;
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copy_mess.CP_DST_ENDPT = dst_proc;
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copy_mess.m_lsys_krn_sys_copy.dst_endpt = dst_proc;
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copy_mess.CP_DST_ADDR = (long) dst_vir;
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copy_mess.m_lsys_krn_sys_copy.dst_addr = dst_vir;
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copy_mess.CP_NR_BYTES = (long) bytes;
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copy_mess.m_lsys_krn_sys_copy.nr_bytes = bytes;
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copy_mess.CP_FLAGS = flags;
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copy_mess.m_lsys_krn_sys_copy.flags = flags;
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return(_kernel_call(SYS_VIRCOPY, ©_mess));
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return(_kernel_call(SYS_VIRCOPY, ©_mess));
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}
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}
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