diff options
Diffstat (limited to 'arch/arm64/kernel/entry.S')
| -rw-r--r-- | arch/arm64/kernel/entry.S | 113 |
1 files changed, 27 insertions, 86 deletions
diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S index 54986d488983..b719ac26f7d1 100644 --- a/arch/arm64/kernel/entry.S +++ b/arch/arm64/kernel/entry.S @@ -604,102 +604,43 @@ SYM_CODE_START_LOCAL(el1_error_invalid) inv_entry 1, BAD_ERROR SYM_CODE_END(el1_error_invalid) -/* - * EL1 mode handlers. - */ -SYM_CODE_START_LOCAL(el1_sync) - kernel_entry 1 - mov x0, sp - bl el1_sync_handler - b ret_to_kernel -SYM_CODE_END(el1_sync) - -SYM_CODE_START_LOCAL(el1_irq) - kernel_entry 1 - mov x0, sp - bl el1_irq_handler - b ret_to_kernel -SYM_CODE_END(el1_irq) - -SYM_CODE_START_LOCAL(el1_fiq) - kernel_entry 1 - mov x0, sp - bl el1_fiq_handler - b ret_to_kernel -SYM_CODE_END(el1_fiq) - -SYM_CODE_START_LOCAL(el1_error) - kernel_entry 1 + .macro entry_handler el:req, regsize:req, label:req +SYM_CODE_START_LOCAL(el\el\()_\label) + kernel_entry \el, \regsize mov x0, sp - bl el1_error_handler + bl el\el\()_\label\()_handler + .if \el == 0 + b ret_to_user + .else b ret_to_kernel -SYM_CODE_END(el1_error) - -SYM_CODE_START_LOCAL(ret_to_kernel) - kernel_exit 1 -SYM_CODE_END(ret_to_kernel) + .endif +SYM_CODE_END(el\el\()_\label) + .endm /* - * EL0 mode handlers. + * Early exception handlers */ -SYM_CODE_START_LOCAL(el0_sync) - kernel_entry 0 - mov x0, sp - bl el0_sync_handler - b ret_to_user -SYM_CODE_END(el0_sync) + entry_handler 1, 64, sync + entry_handler 1, 64, irq + entry_handler 1, 64, fiq + entry_handler 1, 64, error -SYM_CODE_START_LOCAL(el0_irq) - kernel_entry 0 - mov x0, sp - bl el0_irq_handler - b ret_to_user -SYM_CODE_END(el0_irq) - -SYM_CODE_START_LOCAL(el0_fiq) - kernel_entry 0 - mov x0, sp - bl el0_fiq_handler - b ret_to_user -SYM_CODE_END(el0_fiq) - -SYM_CODE_START_LOCAL(el0_error) - kernel_entry 0 - mov x0, sp - bl el0_error_handler - b ret_to_user -SYM_CODE_END(el0_error) + entry_handler 0, 64, sync + entry_handler 0, 64, irq + entry_handler 0, 64, fiq + entry_handler 0, 64, error #ifdef CONFIG_COMPAT -SYM_CODE_START_LOCAL(el0_sync_compat) - kernel_entry 0, 32 - mov x0, sp - bl el0_sync_compat_handler - b ret_to_user -SYM_CODE_END(el0_sync_compat) - -SYM_CODE_START_LOCAL(el0_irq_compat) - kernel_entry 0, 32 - mov x0, sp - bl el0_irq_compat_handler - b ret_to_user -SYM_CODE_END(el0_irq_compat) - -SYM_CODE_START_LOCAL(el0_fiq_compat) - kernel_entry 0, 32 - mov x0, sp - bl el0_fiq_compat_handler - b ret_to_user -SYM_CODE_END(el0_fiq_compat) - -SYM_CODE_START_LOCAL(el0_error_compat) - kernel_entry 0, 32 - mov x0, sp - bl el0_error_compat_handler - b ret_to_user -SYM_CODE_END(el0_error_compat) + entry_handler 0, 32, sync_compat + entry_handler 0, 32, irq_compat + entry_handler 0, 32, fiq_compat + entry_handler 0, 32, error_compat #endif +SYM_CODE_START_LOCAL(ret_to_kernel) + kernel_exit 1 +SYM_CODE_END(ret_to_kernel) + /* * "slow" syscall return path. */ |