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Add some code to use bootstrap

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This commit is contained in:
Laurent Vivier
2007-02-17 22:27:08 +00:00
parent 1ddf371672
commit 17796502ab
1 changed files with 17 additions and 15 deletions
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32
second/main.c
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@@ -26,6 +26,8 @@
#ifdef ARCH_PPC
#include "bootx.h"
#include "switch_to_PPC.h"
extern u_int32_t _bootstrap_start;
extern u_int32_t _bootstrap_end;
#endif
#include "arch.h"
#include "misc.h"
@@ -65,9 +67,6 @@ int start(emile_l2_header_t* info)
unsigned long start_mem;
unsigned long entry_point;
int bootstrap_size;
#ifdef ARCH_PPC
PPCRegisterList regs;
#endif
char *ramdisk_start;
unsigned long kernel_size;
unsigned long ramdisk_size;
@@ -250,23 +249,29 @@ int start(emile_l2_header_t* info)
#ifdef ARCH_PPC
if (arch_type == gestaltPowerPC)
{
PPCRegisterList regs;
bootx_init(command_line, ramdisk_start, ramdisk_size);
regs.PC = (u_int32_t)kernel;
regs.PC = (u_int32_t)&_bootstrap_start;
#define BOOT_KERNEL_STACK_SIZE 65536
regs.GPR[1] = (u_int32_t)malloc_contiguous(BOOT_KERNEL_STACK_SIZE)
+ BOOT_KERNEL_STACK_SIZE - 512;
regs.GPR[2] = 0;
regs.GPR[1] = (u_int32_t)malloc_contiguous(BOOT_KERNEL_STACK_SIZE) + BOOT_KERNEL_STACK_SIZE - 512;
regs.GPR[2] = 1;
regs.GPR[3] = 'BooX';
regs.GPR[4] = (u_int32_t)&bootx_infos;
/* Set up the info for BAT mapping on Nubus */
regs.GPR[5] = vga_get_videobase() & 0xFF800000UL;
regs.GPR[11] = 1;
regs.GPR[5] = 0;
regs.GPR[6] = (int)&_bootstrap_start;
regs.GPR[6] = 0; // strap_dest;
regs.GPR[8] = ((((&_bootstrap_end - &_bootstrap_start) + 4095) << 12) >> 12);
regs.GPR[9] = 0; //boot_map_addr;
regs.GPR[10] = (u_int32_t)kernel;
regs.GPR[11] = 0;
printf("\n");
printf("Ok, booting the kernel.\n");
switch_to_PPC(&regs);
}
else
error("EMILE doesn't support your architecture");
@@ -281,9 +286,6 @@ int start(emile_l2_header_t* info)
#ifdef ARCH_M68K
if (arch_type == gestalt68k)
entry(physImage, kernel_size + BI_ALLOC_SIZE, start_mem, entry_point);
#endif
#ifdef ARCH_PPC
// if (arch_type == gestaltPowerPC)
#endif
error("Kernel startup failed");