diff options
Diffstat (limited to 'src/ARMJIT_A64/ARMJIT_Linkage.s')
-rw-r--r-- | src/ARMJIT_A64/ARMJIT_Linkage.s | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/ARMJIT_A64/ARMJIT_Linkage.s b/src/ARMJIT_A64/ARMJIT_Linkage.s new file mode 100644 index 0000000..536a478 --- /dev/null +++ b/src/ARMJIT_A64/ARMJIT_Linkage.s @@ -0,0 +1,68 @@ +#include "../ARMJIT_x64/ARMJIT_Offsets.h" + +.text + +#define RCPSR W27 +#define RCycles W28 +#define RCPU X29 + +.p2align 4,,15 + +.global ARM_Dispatch +ARM_Dispatch: + stp x19, x20, [sp, #-96]! + stp x21, x22, [sp, #16] + stp x23, x24, [sp, #32] + stp x25, x26, [sp, #48] + stp x27, x28, [sp, #64] + stp x29, x30, [sp, #80] + + mov RCPU, x0 + ldr RCycles, [RCPU, ARM_Cycles_offset] + ldr RCPSR, [RCPU, ARM_CPSR_offset] + + br x1 + +.p2align 4,,15 + +.global ARM_Ret +ARM_Ret: + str RCycles, [RCPU, ARM_Cycles_offset] + str RCPSR, [RCPU, ARM_CPSR_offset] + + ldp x29, x30, [sp, #80] + ldp x27, x28, [sp, #64] + ldp x25, x26, [sp, #48] + ldp x23, x24, [sp, #32] + ldp x21, x22, [sp, #16] + ldp x19, x20, [sp], #96 + + ret + +.p2align 4,,15 + +.global ARM_RestoreContext +ARM_RestoreContext: + mov sp, x0 + + ldp x0, x1, [sp] + ldp x2, x3, [sp, #16] + ldp x4, x5, [sp, #32] + ldp x6, x7, [sp, #48] + ldp x8, x9, [sp, #64] + ldp x10, x11, [sp, #80] + ldp x12, x13, [sp, #96] + ldp x14, x15, [sp, #112] + ldp x16, x17, [sp, #128] + ldp x18, x19, [sp, #144] + ldp x20, x21, [sp, #160] + ldp x22, x23, [sp, #176] + ldp x24, x25, [sp, #192] + ldp x26, x27, [sp, #208] + ldp x28, x29, [sp, #224] + ldr x30, [sp, #240] + + ldp x17, x18, [sp, #248] + mov sp, x17 + + br x18
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