diff options
Diffstat (limited to 'arch/arm/kernel/head.S')
| -rw-r--r-- | arch/arm/kernel/head.S | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S index 664eee8c4a26..3637973a9708 100644 --- a/arch/arm/kernel/head.S +++ b/arch/arm/kernel/head.S @@ -138,9 +138,9 @@ ENTRY(stext) @ mmu has been enabled adr lr, BSYM(1f) @ return (PIC) address mov r8, r4 @ set TTBR1 to swapper_pg_dir - ARM( add pc, r10, #PROCINFO_INITFUNC ) - THUMB( add r12, r10, #PROCINFO_INITFUNC ) - THUMB( ret r12 ) + ldr r12, [r10, #PROCINFO_INITFUNC] + add r12, r12, r10 + ret r12 1: b __enable_mmu ENDPROC(stext) .ltorg @@ -346,6 +346,12 @@ __turn_mmu_on_loc: #if defined(CONFIG_SMP) .text +ENTRY(secondary_startup_arm) + .arm + THUMB( adr r9, BSYM(1f) ) @ Kernel is entered in ARM. + THUMB( bx r9 ) @ If this is a Thumb-2 kernel, + THUMB( .thumb ) @ switch to Thumb now. + THUMB(1: ) ENTRY(secondary_startup) /* * Common entry point for secondary CPUs. @@ -380,11 +386,12 @@ ENTRY(secondary_startup) ldr r8, [r7, lr] @ get secondary_data.swapper_pg_dir adr lr, BSYM(__enable_mmu) @ return address mov r13, r12 @ __secondary_switched address - ARM( add pc, r10, #PROCINFO_INITFUNC ) @ initialise processor - @ (return control reg) - THUMB( add r12, r10, #PROCINFO_INITFUNC ) - THUMB( ret r12 ) + ldr r12, [r10, #PROCINFO_INITFUNC] + add r12, r12, r10 @ initialise processor + @ (return control reg) + ret r12 ENDPROC(secondary_startup) +ENDPROC(secondary_startup_arm) /* * r6 = &secondary_data @@ -586,7 +593,7 @@ __fixup_pv_table: add r5, r5, r3 @ adjust table end address add r6, r6, r3 @ adjust __pv_phys_pfn_offset address add r7, r7, r3 @ adjust __pv_offset address - mov r0, r8, lsr #12 @ convert to PFN + mov r0, r8, lsr #PAGE_SHIFT @ convert to PFN str r0, [r6] @ save computed PHYS_OFFSET to __pv_phys_pfn_offset strcc ip, [r7, #HIGH_OFFSET] @ save to __pv_offset high bits mov r6, r3, lsr #24 @ constant for add/sub instructions |