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Adjust mips relocator

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-04-22 02:44:45 +02:00
parent 97b2dc70b4
commit a51df0a1b4
2 changed files with 31 additions and 7 deletions
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22
include/grub/mips/yeeloong/memory.h
View file

@ -31,7 +31,6 @@
#define GRUB_ARCH_LOWMEMMAXSIZE 0x10000000
#define GRUB_ARCH_HIGHMEMPSTART 0x10000000
#define GRUB_MACHINE_MEMORY_AVAILABLE 1
#define GRUB_MACHINE_MEMORY_MAX_TYPE 1
/* This one is special: it's used internally but is never reported
@ -40,6 +39,27 @@
#define GRUB_MACHINE_MEMORY_RESERVED GRUB_MACHINE_MEMORY_HOLE
#ifndef ASM_FILE
typedef grub_addr_t grub_phys_addr_t;
static inline grub_phys_addr_t
grub_vtop (void *a)
{
return ((grub_phys_addr_t) a) & 0x1fffffff;
}
static inline void *
grub_map_memory (grub_phys_addr_t a, grub_size_t size __attribute__ ((unused)))
{
return (void *) (a | 0x80000000);
}
static inline void
grub_unmap_memory (void *a __attribute__ ((unused)),
grub_size_t size __attribute__ ((unused)))
{
}
grub_err_t EXPORT_FUNC (grub_machine_mmap_iterate)
(int NESTED_FUNC_ATTR (*hook) (grub_uint64_t, grub_uint64_t, grub_uint32_t));

16
lib/mips/relocator.c
View file

@ -111,15 +111,16 @@ grub_err_t
grub_relocator32_boot (struct grub_relocator *rel,
struct grub_relocator32_state state)
{
grub_addr_t target;
void *src, *ptr;
grub_relocator_chunk_t ch;
void *ptr;
grub_err_t err;
grub_addr_t relst;
void *relst;
grub_size_t relsize;
grub_size_t stateset_size = 31 * REGW_SIZEOF + JUMP_SIZEOF;
unsigned i;
grub_addr_t vtarget;
err = grub_relocator_alloc_chunk_align (rel, &src, &target, 0,
err = grub_relocator_alloc_chunk_align (rel, &ch, 0,
(0xffffffff - stateset_size)
+ 1, stateset_size,
sizeof (grub_uint32_t),
@ -127,12 +128,15 @@ grub_relocator32_boot (struct grub_relocator *rel,
if (err)
return err;
ptr = src;
ptr = get_virtual_current_address (ch);
for (i = 1; i < 32; i++)
write_reg (i, state.gpr[i], &ptr);
write_jump (state.jumpreg, &ptr);
err = grub_relocator_prepare_relocs (rel, target, &relst, &relsize);
vtarget = (grub_addr_t) grub_map_memory (get_physical_target_address (ch),
stateset_size);
err = grub_relocator_prepare_relocs (rel, vtarget, &relst, &relsize);
if (err)
return err;