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Support cross-disk installs. On non-cross-disk retrieve bootpath from chosen/bootpath

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-04-18 16:35:08 +02:00
parent d0faf8a1b3
commit ee9056d097
3 changed files with 37 additions and 10 deletions
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16
boot/sparc64/ieee1275/boot.S
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@ -152,6 +152,22 @@ boot_continue:
call console_write
mov GRUB_NAME_LEN, %o3
GET_ABS(boot_path, %o3)
ldub [%o3], %o1
brnz,pn %o1, bootpath_known
mov 4, %g1
/* getprop(chosen_node, "bootpath", &buffer, buffer_size) */
GET_ABS(prom_getprop_name, %o0)
mov 1, %o5
mov CHOSEN_NODE_REG, %o1
GET_ABS(prom_bootpath_name, %o2)
mov (kernel_sector - boot_path), %o4
call prom_call
stx %g1, [%l1 + 256]
bootpath_known:
/* Open up the boot_path, and use that handle to read the
* first block of the GRUB kernel image.
*