diff options
| -rw-r--r-- | arch/arm/cpu/armv8/exceptions.S | 129 |
1 files changed, 56 insertions, 73 deletions
diff --git a/arch/arm/cpu/armv8/exceptions.S b/arch/arm/cpu/armv8/exceptions.S index 4f4f526f93..8c7c1d3eb8 100644 --- a/arch/arm/cpu/armv8/exceptions.S +++ b/arch/arm/cpu/armv8/exceptions.S @@ -12,12 +12,65 @@ #include <linux/linkage.h> /* + * Exception vectors. + */ + .align 11 + .globl vectors +vectors: + .align 7 /* Current EL Synchronous Thread */ + stp x29, x30, [sp, #-16]! + bl _exception_entry + bl do_bad_sync + b exception_exit + + .align 7 /* Current EL IRQ Thread */ + stp x29, x30, [sp, #-16]! + bl _exception_entry + bl do_bad_irq + b exception_exit + + .align 7 /* Current EL FIQ Thread */ + stp x29, x30, [sp, #-16]! + bl _exception_entry + bl do_bad_fiq + b exception_exit + + .align 7 /* Current EL Error Thread */ + stp x29, x30, [sp, #-16]! + bl _exception_entry + bl do_bad_error + b exception_exit + + .align 7 /* Current EL Synchronous Handler */ + stp x29, x30, [sp, #-16]! + bl _exception_entry + bl do_sync + b exception_exit + + .align 7 /* Current EL IRQ Handler */ + stp x29, x30, [sp, #-16]! + bl _exception_entry + bl do_irq + b exception_exit + + .align 7 /* Current EL FIQ Handler */ + stp x29, x30, [sp, #-16]! + bl _exception_entry + bl do_fiq + b exception_exit + + .align 7 /* Current EL Error Handler */ + stp x29, x30, [sp, #-16]! + bl _exception_entry + bl do_error + b exception_exit + +/* * Enter Exception. * This will save the processor state that is ELR/X0~X30 * to the stack frame. */ -.macro exception_entry - stp x29, x30, [sp, #-16]! +_exception_entry: stp x27, x28, [sp, #-16]! stp x25, x26, [sp, #-16]! stp x23, x24, [sp, #-16]! @@ -46,78 +99,8 @@ 0: stp x2, x0, [sp, #-16]! mov x0, sp -.endm + ret -/* - * Exception vectors. - */ - .align 11 - .globl vectors -vectors: - .align 7 - b _do_bad_sync /* Current EL Synchronous Thread */ - - .align 7 - b _do_bad_irq /* Current EL IRQ Thread */ - - .align 7 - b _do_bad_fiq /* Current EL FIQ Thread */ - - .align 7 - b _do_bad_error /* Current EL Error Thread */ - - .align 7 - b _do_sync /* Current EL Synchronous Handler */ - - .align 7 - b _do_irq /* Current EL IRQ Handler */ - - .align 7 - b _do_fiq /* Current EL FIQ Handler */ - - .align 7 - b _do_error /* Current EL Error Handler */ - - -_do_bad_sync: - exception_entry - bl do_bad_sync - b exception_exit - -_do_bad_irq: - exception_entry - bl do_bad_irq - b exception_exit - -_do_bad_fiq: - exception_entry - bl do_bad_fiq - b exception_exit - -_do_bad_error: - exception_entry - bl do_bad_error - b exception_exit - -_do_sync: - exception_entry - bl do_sync - b exception_exit - -_do_irq: - exception_entry - bl do_irq - b exception_exit - -_do_fiq: - exception_entry - bl do_fiq - b exception_exit - -_do_error: - exception_entry - bl do_error - b exception_exit exception_exit: ldp x2, x0, [sp],#16 |