mirror of
https://github.com/PCSX2/pcsx2.git
synced 2025-04-02 10:52:54 -04:00
df521ae24f
git-svn-id: http://pcsx2.googlecode.com/svn/branches/pcsx2_0.9.4@186 96395faa-99c1-11dd-bbfe-3dabce05a288
140 lines
No EOL
3.5 KiB
NASM
140 lines
No EOL
3.5 KiB
NASM
; Pcsx2 - Pc Ps2 Emulator
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; Copyright (C) 2002-2007 Pcsx2 Team
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;
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; This program is free software; you can redistribute it and/or modify
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; it under the terms of the GNU General Public License as published by
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; the Free Software Foundation; either version 2 of the License, or
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; (at your option) any later version.
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; This program is distributed in the hope that it will be useful,
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; but WITHOUT ANY WARRANTY; without even the implied warranty of
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; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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; GNU General Public License for more details.
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;
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; You should have received a copy of the GNU General Public License
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; along with this program; if not, write to the Free Software
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; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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;; x86-64 coroutine fucntions
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extern g_pCurrentRoutine:ptr
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.code
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so_call proc public
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test dword ptr [rcx+88], 1
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jnz so_call_RestoreRegs
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mov [rcx+24], rbp
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mov [rcx+16], rbx
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mov [rcx+32], r12
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mov [rcx+40], r13
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mov [rcx+48], r14
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mov [rcx+56], r15
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mov [rcx+64], rsi
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mov [rcx+72], rdi
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mov dword ptr [rcx+88], 1
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jmp so_call_CallFn
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so_call_RestoreRegs:
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;; have to load and save at the same time
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;; rbp, rbx, r12
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mov rax, [rcx+24]
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mov r8, [rcx+16]
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mov rdx, [rcx+32]
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mov [rcx+24], rbp
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mov [rcx+16], rbx
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mov [rcx+32], r12
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mov rbp, rax
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mov rbx, r8
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mov r12, rdx
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;; r13, r14, r15
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mov rax, [rcx+40]
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mov r8, [rcx+48]
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mov rdx, [rcx+56]
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mov [rcx+40], r13
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mov [rcx+48], r14
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mov [rcx+56], r15
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mov r13, rax
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mov r14, r8
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mov r15, rdx
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;; rsi, rdi
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mov rax, [rcx+64]
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mov rdx, [rcx+72]
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mov [rcx+64], rsi
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mov [rcx+72], rdi
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mov rsi, rax
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mov rdi, rdx
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so_call_CallFn:
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mov [g_pCurrentRoutine], rcx
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;; swap the stack
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mov rax, [rcx+8]
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mov [rcx+8], rsp
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mov rsp, rax
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mov rax, [rcx+0]
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mov rcx, [rcx+80]
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jmp rax
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so_call endp
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; so_resume
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so_resume proc public
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;; rbp, rbx, r12
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mov rcx, [g_pCurrentRoutine]
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mov rax, [rcx+24]
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mov r8, [rcx+16]
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mov rdx, [rcx+32]
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mov [rcx+24], rbp
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mov [rcx+16], rbx
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mov [rcx+32], r12
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mov rbp, rax
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mov rbx, r8
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mov r12, rdx
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;; r13, r14, r15
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mov rax, [rcx+40]
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mov r8, [rcx+48]
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mov rdx, [rcx+56]
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mov [rcx+40], r13
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mov [rcx+48], r14
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mov [rcx+56], r15
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mov r13, rax
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mov r14, r8
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mov r15, rdx
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;; rsi, rdi
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mov rax, [rcx+64]
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mov rdx, [rcx+72]
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mov [rcx+64], rsi
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mov [rcx+72], rdi
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mov rsi, rax
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mov rdi, rdx
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;; put the return address in pcalladdr
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mov rax, [rsp]
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mov [rcx], rax
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add rsp, 8 ;; remove the return address
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;; swap stack pointers
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mov rax, [rcx+8]
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mov [rcx+8], rsp
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mov rsp, rax
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ret
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so_resume endp
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so_exit proc public
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mov rcx, [g_pCurrentRoutine]
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mov rsp, [rcx+8]
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mov rbp, [rcx+24]
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mov rbx, [rcx+16]
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mov r12, [rcx+32]
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mov r13, [rcx+40]
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mov r14, [rcx+48]
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mov r15, [rcx+56]
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mov rsi, [rcx+64]
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mov rdi, [rcx+72]
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ret
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so_exit endp
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end |