do a better job of always locking printf. We used to only lock on
secondary cpus, this also locks on the primary cpu. Now the initial print out doesn't get garbled with more than 1 cpu.
This commit is contained in:
Ali Saidi
parent
66b80038ed
commit
99a522fb8b
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@ -65,6 +65,13 @@ typedef unsigned int uint32;
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#define NUM_KERNEL_THIRD (4)
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#define printf_lock(args...) \
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do { \
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SpinLock(&theLock); \
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printf(args); \
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SpinUnlock(&theLock); \
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} while (0)
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static unixBoot(int go, int argc, char **argv);
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void jToPal(ul bootadr);
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@ -152,12 +159,12 @@ main(int argc, char **argv)
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InitConsole();
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printf("M5 console\n");
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printf_lock("M5 console\n");
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/*
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* get configuration from backdoor
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*/
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simosConf.last_offset = k1Conf->last_offset;
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printf("Got Configuration %d \n",simosConf.last_offset);
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printf_lock("Got Configuration %d \n",simosConf.last_offset);
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simosConf.last_offset = k1Conf->last_offset;
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simosConf.version = k1Conf->version;
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@ -420,7 +427,7 @@ unixBoot(int go, int argc, char **argv)
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char *rpb_name;
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ul nextPtr;
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printf( "memsize %x pages %x \n",mem_size,mem_pages);
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printf_lock( "memsize %x pages %x \n",mem_size,mem_pages);
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@ -447,7 +454,7 @@ unixBoot(int go, int argc, char **argv)
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unix_boot_mem = ROUNDUP8K(&_end);
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printf("First free page after ROM 0x%x\n", unix_boot_mem);
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printf_lock("First free page after ROM 0x%x\n", unix_boot_mem);
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rpb = (struct rpb *) unix_boot_alloc( HWRPB_PAGES);
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@ -541,10 +548,10 @@ unixBoot(int go, int argc, char **argv)
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bootadr = simosConf.entryPoint;
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printf("HWRPB 0x%x l1pt 0x%x l2pt 0x%x l3pt_rpb 0x%x l3pt_kernel 0x%x l2reserv 0x%x\n",
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printf_lock("HWRPB 0x%x l1pt 0x%x l2pt 0x%x l3pt_rpb 0x%x l3pt_kernel 0x%x l2reserv 0x%x\n",
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rpb, first, second, third_rpb, third_kernel,reservedFixup);
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if (kernel_end - simosConf.kernStart > (0x800000*NUM_KERNEL_THIRD)) {
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printf("Kernel is more than 8MB 0x%x - 0x%x = 0x%x\n",
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printf_lock("Kernel is more than 8MB 0x%x - 0x%x = 0x%x\n",
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kernel_end, simosConf.kernStart,
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kernel_end -simosConf.kernStart );
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panic("kernel too big\n");
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@ -559,7 +566,7 @@ unixBoot(int go, int argc, char **argv)
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/* blow 2 pages of phys mem for guards since it maintains 1-to-1 mapping */
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ksp = ksp_top + (3 * 8192);
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if (ksp - simosConf.kernStart > (0x800000*NUM_KERNEL_THIRD)) {
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printf("Kernel stack pushd us over 8MB\n");
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printf_lock("Kernel stack pushd us over 8MB\n");
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panic("ksp too big\n");
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}
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if (THIRD_XXX((ul)ksp_top) > NUM_KERNEL_THIRD * 1024) {
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@ -607,7 +614,7 @@ unixBoot(int go, int argc, char **argv)
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* XXX must be patched after a checkpoint restore (I guess)
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*/
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printf("CPU Clock at %d MHz IntrClockFrequency=%d \n", simosConf.cpuClock,simosConf.intrClockFrequency);
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printf_lock("CPU Clock at %d MHz IntrClockFrequency=%d \n", simosConf.cpuClock,simosConf.intrClockFrequency);
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rpb->rpb_counter = simosConf.cpuClock * 1000 * 1000;
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/*
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@ -624,7 +631,7 @@ unixBoot(int go, int argc, char **argv)
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int i;
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int size = ROUNDUP128(sizeof(struct rpb_percpu));
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printf("Booting with %d processor(s) \n",simosConf.numCPUs);
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printf_lock("Booting with %d processor(s) \n",simosConf.numCPUs);
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rpb->rpb_numprocs = simosConf.numCPUs;
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rpb->rpb_slotsize = size;
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@ -650,7 +657,7 @@ unixBoot(int go, int argc, char **argv)
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/* thisCPU->rpb_pcb.rpb_ptbr = PFN(second);*/
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printf("KSP: 0x%x PTBR 0x%x\n", thisCPU->rpb_pcb.rpb_ksp, thisCPU->rpb_pcb.rpb_ptbr);
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printf_lock("KSP: 0x%x PTBR 0x%x\n", thisCPU->rpb_pcb.rpb_ksp, thisCPU->rpb_pcb.rpb_ptbr);
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if (i) {
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bootStrapImpure[i] = (ul)unix_boot_alloc(1);
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@ -713,7 +720,7 @@ unixBoot(int go, int argc, char **argv)
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rpb_crb->rpb_map[0].rpb_pgcount = HWRPB_PAGES;
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printf("Console Callback at 0x%x, fixup at 0x%x \n",
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printf_lock("Console Callback at 0x%x, fixup at 0x%x \n",
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rpb_crb->rpb_va_disp,
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rpb_crb->rpb_va_fixup );
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@ -754,7 +761,7 @@ unixBoot(int go, int argc, char **argv)
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rpb_mdt->rpb_numcl = cl;
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for (i = 0; i < cl; i++)
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printf("Memory cluster %d [%d - %d]\n", i, rpb_mdt->rpb_cluster[i].rpb_pfn, rpb_mdt->rpb_cluster[i].rpb_pfncount);
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printf_lock("Memory cluster %d [%d - %d]\n", i, rpb_mdt->rpb_cluster[i].rpb_pfn, rpb_mdt->rpb_cluster[i].rpb_pfncount);
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@ -770,7 +777,7 @@ unixBoot(int go, int argc, char **argv)
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bzero((char *)mdt_bitmap, MDT_BITMAP_PAGES * 8192);
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for (i = 0; i < mem_pages/8; i++) ((unsigned char *)mdt_bitmap)[i] = 0xff;
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printf("Initalizing mdt_bitmap addr 0x%x mem_pages %x \n",
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printf_lock("Initalizing mdt_bitmap addr 0x%x mem_pages %x \n",
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(long)mdt_bitmap,(long)mem_pages);
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xxm_rpb.rpb_config_off = 0;
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@ -809,7 +816,7 @@ unixBoot(int go, int argc, char **argv)
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#else
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rpb_crb->rpb_va_disp = 0x10000000 + ((ul)ptr & 0x1fff);
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#endif
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printf("ConsoleDispatch at virt %x phys %x val %x\n",
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printf_lock("ConsoleDispatch at virt %x phys %x val %x\n",
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rpb_crb->rpb_va_disp,
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rpb_crb->rpb_pa_disp,
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consoleCallback);
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@ -844,10 +851,8 @@ unixBoot(int go, int argc, char **argv)
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for (i=1;i<simosConf.numCPUs;i++) {
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volatile struct AlphaAccess *k1Conf = (volatile struct AlphaAccess *)
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(ALPHA_ACCESS_BASE);
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SpinLock(&theLock);
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printf("Bootstraping CPU %d with sp=0x%x \n",
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printf_lock("Bootstraping CPU %d with sp=0x%x \n",
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i,bootStrapImpure[i]);
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SpinUnlock(&theLock);
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k1Conf->bootStrapImpure = bootStrapImpure[i];
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k1Conf->bootStrapCPU = i;
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}
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@ -859,9 +864,7 @@ unixBoot(int go, int argc, char **argv)
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if ((ul)unix_boot_mem >= (ul)simosConf.kernStart) {
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panic("CONSOLE: too much memory. Smashing kernel \n");
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} else {
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SpinLock(&theLock);
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printf("unix_boot_mem ends at %x \n",unix_boot_mem);
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SpinUnlock(&theLock);
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printf_lock("unix_boot_mem ends at %x \n",unix_boot_mem);
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}
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@ -925,11 +928,11 @@ char **envp;
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struct _kernel_params *kernel_params = (struct _kernel_params *) KSEG;
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int i;
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printf("k_argc = %d ", k_argc);
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printf_lock("k_argc = %d ", k_argc);
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for (i = 0; i < k_argc; i++) {
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printf("'%s' ", k_argv[i]);
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printf_lock("'%s' ", k_argv[i]);
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}
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printf("\n");
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printf_lock("\n");
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/* rpb_percpu |= 0xfffffc0000000000;*/
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kernel_params->bootadr = bootadr;
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@ -938,9 +941,9 @@ char **envp;
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kernel_params->argc = k_argc;
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kernel_params->argv = (ul)k_argv;
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kernel_params->envp = (ul)envp;
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printf("jumping to kernel at 0x%x, (PCBB 0x%x pfn %d)\n", bootadr, rpb_percpu, free_pfn);
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printf_lock("jumping to kernel at 0x%x, (PCBB 0x%x pfn %d)\n", bootadr, rpb_percpu, free_pfn);
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jToPal(KSEG_TO_PHYS((ul)palJToKern));
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printf("returned from jToPal. Looping\n");
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printf_lock("returned from jToPal. Looping\n");
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while(1) continue;
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}
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@ -1158,9 +1161,9 @@ CallBackDispatcher(long a0, long a1, long a2, long a3, long a4)
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strcpy((char*)a2, "");
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i = (long)0xc000000000000000;
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if (a1 >= 0 && a1 < MAX_ENV_INDEX)
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printf ("GETENV unsupported option %d (0x%x)\n", a1, a1);
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printf_lock("GETENV unsupported option %d (0x%x)\n", a1, a1);
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else
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printf ("GETENV unsupported option %s\n", a1);
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printf_lock("GETENV unsupported option %s\n", a1);
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}
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if (i > a3)
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@ -1170,7 +1173,7 @@ CallBackDispatcher(long a0, long a1, long a2, long a3, long a4)
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case CONSCB_OPEN:
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bcopy((char*)a1,deviceState[numOpenDevices].name,a2);
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deviceState[numOpenDevices].name[a2] = '\0';
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printf("CONSOLE OPEN : %s --> success \n",
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printf_lock("CONSOLE OPEN : %s --> success \n",
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deviceState[numOpenDevices].name);
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return numOpenDevices++;
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@ -1181,11 +1184,11 @@ CallBackDispatcher(long a0, long a1, long a2, long a3, long a4)
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case CONSCB_CLOSE:
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break;
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case CONSCB_OPEN_CONSOLE:
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printf("CONSOLE OPEN\n");
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printf_lock("CONSOLE OPEN\n");
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return 0; /* success */
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break; /* not rearched */
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case CONSCB_CLOSE_CONSOLE:
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printf("CONSOLE CLOSE\n");
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printf_lock("CONSOLE CLOSE\n");
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return 0; /* success */
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break; /* not reached */
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@ -1211,7 +1214,7 @@ long CallBackFixup(int a0, int a1, int a2)
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asm("bis $8, $31, %0" : "=r" (temp));
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/* call original code */
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printf("CallbackFixup %x %x, t7=%x\n",a0,a1,temp);
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printf_lock("CallbackFixup %x %x, t7=%x\n",a0,a1,temp);
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/* restore the current pointer */
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asm("bis %0, $31, $8" : : "r" (temp) : "$8");
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@ -1239,20 +1242,16 @@ void SlaveCmd(int cpu, struct rpb_percpu *my_rpb)
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/* extern void palJToSlave[]; */
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extern unsigned int palJToSlave[];
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SpinLock(&theLock);
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printf("Slave CPU %d console command %s", cpu,my_rpb->rpb_iccb.iccb_rxbuf);
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SpinUnlock(&theLock);
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printf_lock("Slave CPU %d console command %s", cpu,my_rpb->rpb_iccb.iccb_rxbuf);
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my_rpb->rpb_state |= STATE_BIP;
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my_rpb->rpb_state &= ~STATE_RC;
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SpinLock(&theLock);
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printf("SlaveCmd: restart %x %x vptb %x my_rpb %x my_rpb_phys %x\n",
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printf_lock("SlaveCmd: restart %x %x vptb %x my_rpb %x my_rpb_phys %x\n",
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rpb->rpb_restart,
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rpb->rpb_restart_pv,
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rpb->rpb_vptb, my_rpb,
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KSEG_TO_PHYS(my_rpb));
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SpinUnlock(&theLock);
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cServe(KSEG_TO_PHYS((ul)palJToSlave),
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(ul)rpb->rpb_restart,
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@ -1270,13 +1269,11 @@ void SlaveLoop( int cpu)
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struct rpb_percpu *my_rpb = (struct rpb_percpu*)
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((ul)rpb_percpu + size*cpu);
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SpinLock(&theLock);
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if (cpu==0) {
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panic("CPU 0 entering slaveLoop. Reenetering the console. HOSED \n");
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} else {
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printf("Entering slaveloop for cpu %d my_rpb=%x \n",cpu,my_rpb);
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printf_lock("Entering slaveloop for cpu %d my_rpb=%x \n",cpu,my_rpb);
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}
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SpinUnlock(&theLock);
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// swap the processors context to the one in the
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// rpb_percpu struct very carefully (i.e. no stack usage)
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