diff options
Diffstat (limited to 'arch/mips/netlogic/common/reset.S')
| -rw-r--r-- | arch/mips/netlogic/common/reset.S | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/arch/mips/netlogic/common/reset.S b/arch/mips/netlogic/common/reset.S index b231fe1..fda772a 100644 --- a/arch/mips/netlogic/common/reset.S +++ b/arch/mips/netlogic/common/reset.S @@ -197,6 +197,9 @@ FEXPORT(nlm_reset_entry) EXPORT(nlm_boot_siblings) /* core L1D flush before enable threads */ xlp_flush_l1_dcache + /* save ra and sp, will be used later (only for boot cpu) */ + dmtc0 ra, $22, 6 + dmtc0 sp, $22, 7 /* Enable hw threads by writing to MAP_THREADMODE of the core */ li t0, CKSEG1ADDR(RESET_DATA_PHYS) lw t1, BOOT_THREAD_MODE(t0) /* t1 <- thread mode */ @@ -238,14 +241,12 @@ EXPORT(nlm_boot_siblings) nop /* - * For the boot CPU, we have to restore registers and - * return + * For the boot CPU, we have to restore ra and sp and return, rest + * of the registers will be restored by the caller */ -4: dmfc0 t0, $4, 2 /* restore SP from UserLocal */ - li t1, 0xfadebeef - dmtc0 t1, $4, 2 /* restore SP from UserLocal */ - PTR_SUBU sp, t0, PT_SIZE - RESTORE_ALL +4: + dmfc0 ra, $22, 6 + dmfc0 sp, $22, 7 jr ra nop EXPORT(nlm_reset_entry_end) |