/*
- * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2003-2005 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
- *
- * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ *
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* Please see the License for the specific language governing rights and
* limitations under the License.
*
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* @OSF_COPYRIGHT@
* the rights to redistribute these changes.
*/
-#include <cpus.h>
#include <platforms.h>
#include <mach_kdb.h>
-#include <himem.h>
-#include <fast_idle.h>
#include <mach/i386/vm_param.h>
#include <mach/vm_prot.h>
#include <mach/machine.h>
#include <mach/time_value.h>
-#include <kern/etap_macros.h>
#include <kern/spl.h>
#include <kern/assert.h>
#include <kern/debug.h>
#include <kern/misc_protos.h>
#include <kern/startup.h>
#include <kern/clock.h>
-#include <kern/time_out.h>
+#include <kern/pms.h>
#include <kern/xpr.h>
#include <kern/cpu_data.h>
#include <kern/processor.h>
+#include <console/serial_protos.h>
#include <vm/vm_page.h>
#include <vm/pmap.h>
#include <vm/vm_kern.h>
#include <i386/fpu.h>
#include <i386/pmap.h>
#include <i386/ipl.h>
-#include <i386/pio.h>
#include <i386/misc_protos.h>
#include <i386/cpuid.h>
-#include <i386/rtclock_entries.h>
#include <i386/mp.h>
+#include <i386/mp_desc.h>
+#include <i386/machine_routines.h>
+#include <i386/machine_check.h>
+#include <i386/postcode.h>
+#include <i386/Diagnostics.h>
+#include <i386/pmCPU.h>
+#include <i386/tsc.h>
+#include <i386/hpet.h>
#if MACH_KDB
#include <ddb/db_aout.h>
#endif /* MACH_KDB */
#include <ddb/tr.h>
-#ifdef __MACHO__
-#include <mach/boot_info.h>
-#include <mach/thread_status.h>
-
-static KernelBootArgs_t *kernelBootArgs;
-#endif
-vm_offset_t boot_args_start = 0; /* pointer to kernel arguments, set in start.s */
+static boot_args *kernelBootArgs;
-#ifdef __MACHO__
-#include <mach-o/loader.h>
-vm_offset_t edata, etext, end;
-
-/*
- * Called first for a mach-o kernel before paging is set up.
- * Returns the first available physical address in memory.
- */
+extern int disableConsoleOutput;
+extern const char version[];
+extern const char version_variant[];
+extern int nx_enabled;
-unsigned long
-i386_preinit()
-{
- struct segment_command *sgp;
- struct section *sp;
-
- sgp = (struct segment_command *) getsegbyname("__DATA");
- if (sgp) {
- sp = (struct section *) firstsect(sgp);
- if (sp) {
- do {
- if (sp->flags & S_ZEROFILL)
- bzero((char *) sp->addr, sp->size);
- } while (sp = (struct section *)nextsect(sgp, sp));
- }
- }
+extern int noVMX; /* if set, rosetta should not emulate altivec */
- kernelBootArgs = (KernelBootArgs_t *) boot_args_start;
- end = round_page( kernelBootArgs->kaddr + kernelBootArgs->ksize );
+void cpu_stack_set(void);
- return end;
-}
-#endif
-
-extern const char version[];
-extern const char version_variant[];
/*
* Cpu initialization. Running virtual, but without MACH VM
- * set up. First C routine called, unless i386_preinit() was called first.
+ * set up. First C routine called.
*/
void
-i386_init(void)
+i386_init(vm_offset_t boot_args_start)
{
unsigned int maxmem;
+ uint64_t maxmemtouse;
+ unsigned int cpus;
+ boolean_t legacy_mode;
- cpu_init();
+ postcode(I386_INIT_ENTRY);
+
+ i386_macho_zerofill();
+
+ /* Initialize machine-check handling */
+ mca_cpu_init();
/*
- * Setup some processor related structures to satisfy funnels.
- * Must be done before using unparallelized device drivers.
+ * Setup boot args given the physical start address.
*/
- processor_ptr[0] = &processor_array[0];
+ kernelBootArgs = (boot_args *)
+ ml_static_ptovirt(boot_args_start);
+ kernelBootArgs->MemoryMap = (uint32_t)
+ ml_static_ptovirt((vm_offset_t)kernelBootArgs->MemoryMap);
+ kernelBootArgs->deviceTreeP = (uint32_t)
+ ml_static_ptovirt((vm_offset_t)kernelBootArgs->deviceTreeP);
+
master_cpu = 0;
- master_processor = cpu_to_processor(master_cpu);
+ (void) cpu_data_alloc(TRUE);
+ cpu_init();
+ postcode(CPU_INIT_D);
+ /* init processor performance control */
+ pmsInit();
+
PE_init_platform(FALSE, kernelBootArgs);
-
- /*
- * Set up initial thread so current_thread() works early on
- */
- thread_bootstrap();
+ postcode(PE_INIT_PLATFORM_D);
printf_init(); /* Init this in case we need debugger */
panic_init(); /* Init this in case we need debugger */
/* setup debugging output if one has been chosen */
PE_init_kprintf(FALSE);
- kprintf("kprintf initialized\n");
+
+ if (!PE_parse_boot_arg("diag", &dgWork.dgFlags))
+ dgWork.dgFlags = 0;
+
+ serialmode = 0;
+ if(PE_parse_boot_arg("serial", &serialmode)) {
+ /* We want a serial keyboard and/or console */
+ kprintf("Serial mode specified: %08X\n", serialmode);
+ }
+ if(serialmode & 1) {
+ (void)switch_to_serial_console();
+ disableConsoleOutput = FALSE; /* Allow printfs to happen */
+ }
/* setup console output */
PE_init_printf(FALSE);
kprintf("version_variant = %s\n", version_variant);
kprintf("version = %s\n", version);
-
/*
* VM initialization, after this we're using page tables...
* The maximum number of cpus must be set beforehand.
*/
if (!PE_parse_boot_arg("maxmem", &maxmem))
- maxmem=0;
+ maxmemtouse=0;
else
- maxmem = maxmem * (1024 * 1024);
+ maxmemtouse = ((uint64_t)maxmem) * (uint64_t)(1024 * 1024);
+
+ if (PE_parse_boot_arg("cpus", &cpus)) {
+ if ((0 < cpus) && (cpus < max_ncpus))
+ max_ncpus = cpus;
+ }
+
+ /*
+ * debug support for > 4G systems
+ */
+ if (!PE_parse_boot_arg("himemory_mode", &vm_himemory_mode))
+ vm_himemory_mode = 0;
+
+ /*
+ * At this point we check whether we are a 64-bit processor
+ * and that we're not restricted to legacy mode, 32-bit operation.
+ */
+ boolean_t IA32e = FALSE;
+ if (cpuid_extfeatures() & CPUID_EXTFEATURE_EM64T) {
+ kprintf("EM64T supported");
+ if (PE_parse_boot_arg("-legacy", &legacy_mode)) {
+ kprintf(" but legacy mode forced\n");
+ } else {
+ IA32e = TRUE;
+ kprintf(" and will be enabled\n");
+ }
+ }
+ if (!(cpuid_extfeatures() & CPUID_EXTFEATURE_XD))
+ nx_enabled = 0;
- if (PE_parse_boot_arg("cpus", &wncpu)) {
- if (!((wncpu > 0) && (wncpu < NCPUS)))
- wncpu = NCPUS;
- } else
- wncpu = NCPUS;
+ i386_vm_init(maxmemtouse, IA32e, kernelBootArgs);
- i386_vm_init(maxmem, kernelBootArgs);
+ if ( ! PE_parse_boot_arg("novmx", &noVMX))
+ noVMX = 0; /* OK to support Altivec in rosetta? */
+
+ tsc_init();
+ hpet_init();
+ power_management_init();
PE_init_platform(TRUE, kernelBootArgs);
/* create the console for verbose or pretty mode */
PE_create_console();
-
+
+ processor_bootstrap();
+ thread_bootstrap();
+
machine_startup();
}
projects / apple / xnu.git / blobdiff