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#include <grub/kernel.h>
#include <grub/misc.h>
#include <grub/env.h>
#include <grub/time.h>
#include <grub/types.h>
#include <grub/misc.h>
#include <grub/mm.h>
#include <grub/time.h>
#include <grub/machine/memory.h>
#include <grub/machine/kernel.h>
#include <grub/machine/console.h>
#include <grub/cpu/memory.h>
#include <grub/memory.h>
#include <grub/video.h>
#include <grub/terminfo.h>
#include <grub/keyboard_layouts.h>
#include <grub/serial.h>
#include <grub/loader.h>
#include <grub/at_keyboard.h>
static inline int
probe_mem (grub_addr_t addr)
{
volatile grub_uint8_t *ptr = (grub_uint8_t *) (0xa0000000 | addr);
grub_uint8_t c = *ptr;
*ptr = 0xAA;
if (*ptr != 0xAA)
return 0;
*ptr = 0x55;
if (*ptr != 0x55)
return 0;
*ptr = c;
return 1;
}
void
grub_machine_init (void)
{
grub_addr_t modend;
if (grub_arch_memsize == 0)
{
int i;
for (i = 27; i >= 0; i--)
if (probe_mem (grub_arch_memsize | (1 << i)))
grub_arch_memsize |= (1 << i);
grub_arch_memsize++;
}
/* FIXME: measure this. */
grub_arch_cpuclock = 200000000;
modend = grub_modules_get_end ();
grub_mm_init_region ((void *) modend, grub_arch_memsize
- (modend - GRUB_ARCH_LOWMEMVSTART));
grub_install_get_time_ms (grub_rtc_get_time_ms);
grub_keylayouts_init ();
grub_at_keyboard_init ();
grub_qemu_init_cirrus ();
grub_vga_text_init ();
grub_terminfo_init ();
grub_serial_init ();
grub_boot_init ();
}
void
grub_machine_fini (int flags __attribute__ ((unused)))
{
}
void
grub_exit (void)
{
grub_halt ();
}
void
grub_halt (void)
{
grub_outl (42, 0xbfbf0004);
while (1);
}
grub_err_t
grub_machine_mmap_iterate (grub_memory_hook_t hook, void *hook_data)
{
hook (0, grub_arch_memsize, GRUB_MEMORY_AVAILABLE, hook_data);
return GRUB_ERR_NONE;
}
void
grub_machine_get_bootlocation (char **device __attribute__ ((unused)),
char **path __attribute__ ((unused)))
{
}
extern char _end[];
grub_addr_t grub_modbase = (grub_addr_t) _end;
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