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ieee1275 support in linux.c

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-01-13 17:26:47 +01:00
parent 8b889c332a
commit 8071fb7997
1 changed files with 36 additions and 3 deletions
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39
loader/i386/linux.c
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@ -39,6 +39,10 @@
#include <grub/efi/efi.h>
#define HAS_VGA_TEXT 0
#define DEFAULT_VIDEO_MODE "800x600"
#elif defined (GRUB_MACHINE_IEEE1275)
#include <grub/ieee1275/ieee1275.h>
#define HAS_VGA_TEXT 0
#define DEFAULT_VIDEO_MODE "text"
#else
#include <grub/i386/pc/vbe.h>
#include <grub/i386/pc/console.h>
@ -541,6 +545,20 @@ grub_linux_boot (void)
params = real_mode_mem;
#ifdef GRUB_MACHINE_IEEE1275
{
char *bootpath;
grub_ssize_t len;
bootpath = grub_env_get ("root");
if (bootpath)
grub_ieee1275_set_property (grub_ieee1275_chosen,
"bootpath", bootpath,
grub_strlen (bootpath) + 1,
&len);
}
#endif
grub_dprintf ("linux", "code32_start = %x\n",
(unsigned) params->code32_start);
@ -618,8 +636,6 @@ grub_linux_boot (void)
#if HAS_VGA_TEXT
params->have_vga = GRUB_VIDEO_LINUX_TYPE_EGA_TEXT;
params->video_mode = 0x3;
params->video_width = 80;
params->video_height = 25;
#else
params->have_vga = 0;
params->video_mode = 0;
@ -629,17 +645,22 @@ grub_linux_boot (void)
}
/* Initialize these last, because terminal position could be affected by printfs above. */
#ifndef GRUB_MACHINE_IEEE1275
if (params->have_vga == GRUB_VIDEO_LINUX_TYPE_EGA_TEXT)
#endif
{
grub_term_output_t term;
int found = 0;
FOR_ACTIVE_TERM_OUTPUTS(term)
if (grub_strcmp (term->name, "vga_text") == 0
|| grub_strcmp (term->name, "console") == 0)
|| grub_strcmp (term->name, "console") == 0
|| grub_strcmp (term->name, "ofconsole") == 0)
{
grub_uint16_t pos = grub_term_getxy (term);
params->video_cursor_x = pos >> 8;
params->video_cursor_y = pos & 0xff;
params->video_width = grub_term_width (term);
params->video_height = grub_term_height (term);
found = 1;
break;
}
@ -647,9 +668,20 @@ grub_linux_boot (void)
{
params->video_cursor_x = 0;
params->video_cursor_y = 0;
params->video_width = 80;
params->video_height = 25;
}
}
#ifdef GRUB_MACHINE_IEEE1275
{
params->ofw_signature = GRUB_LINUX_OFW_SIGNATURE;
params->ofw_num_items = 1;
params->ofw_cif_handler = (grub_uint32_t) grub_ieee1275_entry_fn;
params->ofw_idt = 0;
}
#endif
#ifdef GRUB_MACHINE_EFI
{
grub_efi_uintn_t efi_map_key, efi_desc_size;
@ -688,6 +720,7 @@ grub_linux_boot (void)
/* asm volatile ("lidt %0" : : "m" (idt_desc)); */
state.ebx = 0;
state.esi = real_mode_target;
state.esp = real_mode_target;
state.eip = params->code32_start;
return grub_relocator32_boot (relocator, state);
}