#include <debug.h>
#include <mach_ldebug.h>
#include <mach_kdb.h>
#include <mach_kdp.h>
#include <kern/misc_protos.h>
#include <kern/thread.h>
#include <kern/processor.h>
#include <machine/machine_routines.h>
#include <ppc/boot.h>
#include <ppc/proc_reg.h>
#include <ppc/misc_protos.h>
#include <ppc/pmap.h>
#include <ppc/new_screen.h>
#include <ppc/exception.h>
#include <ppc/Firmware.h>
#include <ppc/savearea.h>
#include <ppc/low_trace.h>
#include <ppc/Diagnostics.h>
#include <ppc/mem.h>
#include <ppc/mappings.h>
#include <pexpert/pexpert.h>
extern unsigned int intstack_top_ss;
extern unsigned int debstackptr;
extern unsigned int debstack_top_ss;
int pc_trace_buf[1024] = {0};
int pc_trace_cnt = 1024;
extern unsigned int extPatchMCK;
extern unsigned int extPatch32;
extern unsigned int hwulckPatch_isync;
extern unsigned int hwulckPatch_eieio;
extern unsigned int hwulckbPatch_isync;
extern unsigned int hwulckbPatch_eieio;
extern unsigned int mulckPatch_isync;
extern unsigned int mulckPatch_eieio;
extern unsigned int sulckPatch_isync;
extern unsigned int sulckPatch_eieio;
extern unsigned int retfsectPatch_eieio;
extern unsigned int retfsectPatch_isync;
int forcenap = 0;
patch_entry_t patch_table[PATCH_TABLE_SIZE] = {
&extPatch32, 0x60000000, PATCH_FEATURE, PatchExt32,
&extPatchMCK, 0x60000000, PATCH_PROCESSOR, CPU_SUBTYPE_POWERPC_970,
&hwulckPatch_isync, 0x60000000, PATCH_FEATURE, PatchLwsync,
&hwulckPatch_eieio, 0x7c2004ac, PATCH_FEATURE, PatchLwsync,
&hwulckbPatch_isync, 0x60000000, PATCH_FEATURE, PatchLwsync,
&hwulckbPatch_eieio, 0x7c2004ac, PATCH_FEATURE, PatchLwsync,
&mulckPatch_isync, 0x60000000, PATCH_FEATURE, PatchLwsync,
&mulckPatch_eieio, 0x7c2004ac, PATCH_FEATURE, PatchLwsync,
&sulckPatch_isync, 0x60000000, PATCH_FEATURE, PatchLwsync,
&sulckPatch_eieio, 0x7c2004ac, PATCH_FEATURE, PatchLwsync,
#if !MACH_LDEBUG
&retfsectPatch_isync, 0x60000000, PATCH_FEATURE, PatchLwsync,
&retfsectPatch_eieio, 0x7c2004ac, PATCH_FEATURE, PatchLwsync
#else
0, 0, PATCH_INVALID, 0,
0, 0, PATCH_INVALID, 0
#endif
};
void ppc_init(boot_args *args)
{
int i;
unsigned long *src,*dst;
char *str;
unsigned long addr, videoAddr;
unsigned int maxmem;
uint64_t xmaxmem;
unsigned int cputrace;
unsigned int novmx;
extern vm_offset_t static_memory_end;
mapping *mp;
per_proc_info[0].cpu_number = 0;
per_proc_info[0].cpu_flags = 0;
per_proc_info[0].istackptr = 0;
per_proc_info[0].intstack_top_ss = intstack_top_ss;
per_proc_info[0].debstackptr = debstackptr;
per_proc_info[0].debstack_top_ss = debstack_top_ss;
per_proc_info[0].interrupts_enabled = 0;
per_proc_info[0].active_kloaded = (unsigned int)
&active_kloaded[0];
set_machine_current_thread(&pageout_thread);
set_machine_current_act(&pageout_act);
pageout_thread.top_act = &pageout_act;
pageout_act.thread = &pageout_thread;
pageout_act.mact.curctx = &pageout_act.mact.facctx;
pageout_act.mact.facctx.facAct = &pageout_act;
pageout_act.mact.cioSpace = invalSpace;
pageout_act.mact.preemption_count = 1;
per_proc_info[0].pp_preemption_count = -1;
per_proc_info[0].pp_simple_lock_count = 0;
per_proc_info[0].pp_interrupt_level = 0;
per_proc_info[0].active_stacks = (unsigned int)
&active_stacks[0];
per_proc_info[0].need_ast = (unsigned int)
&need_ast[0];
per_proc_info[0].FPU_owner = 0;
per_proc_info[0].VMX_owner = 0;
mp = (mapping *)per_proc_info[0].ppCIOmp;
mp->mpFlags = 0x01000000 | mpSpecial | 1;
mp->mpSpace = invalSpace;
machine_slot[0].is_cpu = TRUE;
cpu_init();
processor_ptr[0] = &processor_array[0];
master_cpu = 0;
master_processor = cpu_to_processor(master_cpu);
static_memory_end = round_page_32(args->topOfKernelData);;
PE_init_platform(FALSE, args);
if (!PE_parse_boot_arg("novmx", &novmx)) novmx=0;
if(novmx) {
for(i = 0; i < NCPUS; i++) {
per_proc_info[i].pf.Available &= ~pfAltivec;
}
__asm__ volatile("mtsprg 2,%0" : : "r" (per_proc_info[0].pf.Available));
}
if (!PE_parse_boot_arg("fn", &forcenap)) forcenap = 0;
else {
if(forcenap < 2) forcenap = forcenap + 1;
else forcenap = 0;
}
if (!PE_parse_boot_arg("diag", &dgWork.dgFlags)) dgWork.dgFlags=0;
if(dgWork.dgFlags & enaExpTrace) trcWork.traceMask = 0xFFFFFFFF;
if(PE_parse_boot_arg("ctrc", &cputrace)) {
trcWork.traceMask = (trcWork.traceMask & 0xFFFFFFF0) | (cputrace & 0xF);
}
if(!PE_parse_boot_arg("tb", &trcWork.traceSize)) {
#if DEBUG
trcWork.traceSize = 32;
#else
trcWork.traceSize = 8;
#endif
}
if(trcWork.traceSize < 1) trcWork.traceSize = 1;
if(trcWork.traceSize > 256) trcWork.traceSize = 256;
trcWork.traceSize = trcWork.traceSize * 4096;
if (!PE_parse_boot_arg("maxmem", &maxmem))
xmaxmem=0;
else
xmaxmem = (uint64_t)maxmem * (1024 * 1024);
ppc_vm_init(xmaxmem, args);
PE_init_platform(TRUE, args);
machine_startup(args);
}
ppc_init_cpu(
struct per_proc_info *proc_info)
{
int i;
if(!(proc_info->next_savearea))
proc_info->next_savearea = (vm_offset_t)save_get_init();
cpu_init();
ppc_vm_cpu_init(proc_info);
ml_thrm_init();
slave_main();
}