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Refactor arm-uboot code to make it genereic.

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arm-coreboot startup code can be very similar to arm-uboot but current code has
U-Boot specific references. So split U-Boot part from generic part.
This commit is contained in:
Vladimir Serbinenko 2017-05-08 17:47:57 +02:00 • committed by Vincent Batts
parent 587d1e78c9
commit 25cd7a7df9
7 changed files with 170 additions and 108 deletions
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35
grub-core/kern/uboot/uboot.c
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@ -39,48 +39,13 @@
* returns: 0 if the call not found, 1 if serviced
*/
extern int (*grub_uboot_syscall_ptr) (int, int *, ...);
extern int grub_uboot_syscall (int, int *, ...);
extern grub_addr_t grub_uboot_search_hint;
static struct sys_info uboot_sys_info;
static struct mem_region uboot_mem_info[5];
static struct device_info * devices;
static int num_devices;
int
grub_uboot_api_init (void)
{
struct api_signature *start, *end;
struct api_signature *p;
if (grub_uboot_search_hint)
{
/* Extended search range to work around Trim Slice U-Boot issue */
start = (struct api_signature *) ((grub_uboot_search_hint & ~0x000fffff)
- 0x00500000);
end =
(struct api_signature *) ((grub_addr_t) start + UBOOT_API_SEARCH_LEN -
API_SIG_MAGLEN + 0x00500000);
}
else
{
start = 0;
end = (struct api_signature *) (256 * 1024 * 1024);
}
/* Structure alignment is (at least) 8 bytes */
for (p = start; p < end; p = (void *) ((grub_addr_t) p + 8))
{
if (grub_memcmp (&(p->magic), API_SIG_MAGIC, API_SIG_MAGLEN) == 0)
{
grub_uboot_syscall_ptr = p->syscall;
return p->version;
}
}
return 0;
}
/*
* All functions below are wrappers around the grub_uboot_syscall() function