mirror of
https://github.com/melonDS-emu/melonDS.git
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107 lines
1.9 KiB
ArmAsm
107 lines
1.9 KiB
ArmAsm
/*
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Copyright 2016-2022 melonDS team, RSDuck
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This file is part of melonDS.
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melonDS is free software: you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation, either version 3 of the License, or (at your option)
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any later version.
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melonDS is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with melonDS. If not, see http://www.gnu.org/licenses/.
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*/
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.intel_syntax noprefix
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#include "ARMJIT_Offsets.h"
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.text
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#define RCPU rbp
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#define RCPSR r15d
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#ifdef WIN64
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#define ARG1_REG ecx
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#define ARG2_REG edx
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#define ARG3_REG r8d
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#define ARG4_REG r9d
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#define ARG1_REG64 rcx
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#define ARG2_REG64 rdx
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#define ARG3_REG64 r8
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#define ARG4_REG64 r9
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#else
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#define ARG1_REG edi
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#define ARG2_REG esi
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#define ARG3_REG edx
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#define ARG4_REG ecx
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#define ARG1_REG64 rdi
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#define ARG2_REG64 rsi
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#define ARG3_REG64 rdx
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#define ARG4_REG64 rcx
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#endif
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.p2align 4,,15
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#ifdef __APPLE__
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.global _ARM_Dispatch
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_ARM_Dispatch:
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#else
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.global ARM_Dispatch
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ARM_Dispatch:
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#endif
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#ifdef WIN64
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push rdi
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push rsi
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#endif
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push rbx
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push r12
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push r13
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push r14
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push r15
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push rbp
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#ifdef WIN64
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sub rsp, 0x28
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#else
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sub rsp, 0x8
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#endif
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mov RCPU, ARG1_REG64
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mov RCPSR, [RCPU + ARM_CPSR_offset]
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jmp ARG2_REG64
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.p2align 4,,15
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#ifdef __APPLE__
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.global _ARM_Ret
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_ARM_Ret:
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#else
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.global ARM_Ret
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ARM_Ret:
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#endif
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mov [RCPU + ARM_CPSR_offset], RCPSR
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#ifdef WIN64
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add rsp, 0x28
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#else
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add rsp, 0x8
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#endif
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pop rbp
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pop r15
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pop r14
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pop r13
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pop r12
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pop rbx
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#ifdef WIN64
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pop rsi
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pop rdi
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#endif
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ret
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