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[aboot] pass partition table through atags

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This commit is contained in:
Dima Zavin
2009-01-30 11:52:22 -08:00
committed by Brian Swetland
parent ddf61a2bb3
commit 42168f2e97
1 changed files with 30 additions and 0 deletions
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30
app/aboot/aboot.c
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@@ -57,8 +57,28 @@ static struct udc_device surf_udc_device = {
.product = "Android",
};
struct atag_ptbl_entry
{
char name[16];
unsigned offset;
unsigned size;
unsigned flags;
};
void platform_uninit_timer(void);
static void ptentry_to_tag(unsigned **ptr, struct ptentry *ptn)
{
struct atag_ptbl_entry atag_ptn;
memcpy(atag_ptn.name, ptn->name, 16);
atag_ptn.name[15] = '\0';
atag_ptn.offset = ptn->start;
atag_ptn.size = ptn->length;
atag_ptn.flags = ptn->flags;
memcpy(*ptr, &atag_ptn, sizeof(struct atag_ptbl_entry));
*ptr += sizeof(struct atag_ptbl_entry) / sizeof(unsigned);
}
void boot_linux(void *kernel, unsigned *tags,
const char *cmdline, unsigned machtype,
@@ -66,6 +86,7 @@ void boot_linux(void *kernel, unsigned *tags,
{
unsigned *ptr = tags;
void (*entry)(unsigned,unsigned,unsigned*) = kernel;
struct ptable *ptable;
/* CORE */
*ptr++ = 2;
@@ -78,6 +99,15 @@ void boot_linux(void *kernel, unsigned *tags,
*ptr++ = ramdisk_size;
}
if ((ptable = flash_get_ptable()) && (ptable->count != 0)) {
int i;
*ptr++ = 2 + (ptable->count * (sizeof(struct atag_ptbl_entry) /
sizeof(unsigned)));
*ptr++ = 0x4d534d70;
for (i = 0; i < ptable->count; ++i)
ptentry_to_tag(&ptr, ptable_get(ptable, i));
}
if (cmdline && cmdline[0]) {
unsigned n;
/* include terminating 0 and round up to a word multiple */