diff options
Diffstat (limited to 'asm')
| -rw-r--r-- | asm/head.S | 10 |
1 files changed, 9 insertions, 1 deletions
@@ -308,6 +308,12 @@ boot_entry: /* Initialize thread SPRs */ bl init_replicated_sprs + /* Save the initial offset. The secondary threads will spin on boot_flag + * before relocation so we need to keep track of its location to wake + * them up. + */ + mr %r15,%r30 + /* Check if we need to copy ourselves up and update %r30 to * be our new offset */ @@ -317,17 +323,19 @@ boot_entry: srdi %r3,%r3,3 mtctr %r3 mr %r4,%r30 - mr %r15,%r30 mr %r30,%r29 + /* copy the skiboot image to the new offset */ 1: ld %r0,0(%r4) std %r0,0(%r29) addi %r29,%r29,8 addi %r4,%r4,8 bdnz 1b + /* flush caches, etc */ sync icbi 0,%r29 sync isync + /* branch to the new image location and continue */ LOAD_IMM32(%r3, 2f - __head) add %r3,%r3,%r30 mtctr %r3 |