mescc: Mes C Library: ARM: syscall.c: Inline fake asm.
* lib/linux/arm-mes-gcc/syscall.c (__sys_call, __sys_call1, __sys_call2, __sys_call3, __sys_call4): Use inline fake asm.
This commit is contained in:
Jan (janneke) Nieuwenhuizen
parent
e5ce69ec3f
commit
6703c33f96
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@ -38,23 +38,19 @@ __sys_call (long sys_call)
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return r;
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}
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#else //__TINYC__
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long __sys_call (long sys_call);
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__asm__ (".global __sys_call\n");
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__asm__ ("__sys_call:\n");
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__asm__ (".int 0xe92d0880\n"); //push {r7, fp}
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__asm__ (".int 0xe28db004\n"); //add fp, sp, #4
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__asm__ (".int 0xe24dd010\n"); //sub sp, sp, #16
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__asm__ (".int 0xe50b0010\n"); //str r0, [fp, #-16]
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__asm__ (".int 0xe51b3010\n"); //ldr r3, [fp, #-16]
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__asm__ (".int 0xe1a07003\n"); //mov r7, r3
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__asm__ (".int 0xef000000\n"); //svc 0x00000000
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__asm__ (".int 0xe1a03000\n"); //mov r3, r0
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__asm__ (".int 0xe50b3008\n"); //str r3, [fp, #-8]
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__asm__ (".int 0xe51b3008\n"); //ldr r3, [fp, #-8]
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__asm__ (".int 0xe1a00003\n"); //mov r0, r3
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__asm__ (".int 0xe24bd004\n"); //sub sp, fp, #4
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__asm__ (".int 0xe8bd0880\n"); //pop {r7, fp}
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__asm__ (".int 0xe12fff1e\n"); //bx lr
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long
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__sys_call (long sys_call)
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{
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long r;
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__asm__ (".int 0xe1a07000\n"); //mov r7, r0
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// __asm__ (".int 0xe1a00001\n"); //mov r0, r1
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// __asm__ (".int 0xe1a01002\n"); //mov r1, r2
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// __asm__ (".int 0xe1a02003\n"); //mov r2, r3
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// __asm__ (".int 0xe1a03004\n"); //mov r3, r4
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__asm__ (".int 0xef000000\n"); //svc 0x00000000
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__asm__ (".int 0xe50b0004\n"); //str r0, [fp, #-4]
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return r;
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}
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#endif //__TINYC__
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#if !__TINYC__
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@ -74,26 +70,19 @@ __sys_call1 (long sys_call, long one)
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return r;
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}
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#else //__TINYC__
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long __sys_call1 (long sys_call, long one);
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__asm__ (".global __sys_call1\n");
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__asm__ ("__sys_call1:\n");
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__asm__ (".int 0xe92d0880\n"); //push {r7, fp}
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__asm__ (".int 0xe28db004\n"); //add fp, sp, #4
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__asm__ (".int 0xe24dd010\n"); //sub sp, sp, #16
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__asm__ (".int 0xe50b0010\n"); //str r0, [fp, #-16]
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__asm__ (".int 0xe50b1014\n"); //str r1, [fp, #-20] ; 0xffffffec
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__asm__ (".int 0xe51b3010\n"); //ldr r3, [fp, #-16]
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__asm__ (".int 0xe51b2014\n"); //ldr r2, [fp, #-20] ; 0xffffffec
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__asm__ (".int 0xe1a07003\n"); //mov r7, r3
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__asm__ (".int 0xe1a00002\n"); //mov r0, r2
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__asm__ (".int 0xef000000\n"); //svc 0x00000000
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__asm__ (".int 0xe1a03000\n"); //mov r3, r0
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__asm__ (".int 0xe50b3008\n"); //str r3, [fp, #-8]
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__asm__ (".int 0xe51b3008\n"); //ldr r3, [fp, #-8]
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__asm__ (".int 0xe1a00003\n"); //mov r0, r3
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__asm__ (".int 0xe24bd004\n"); //sub sp, fp, #4
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__asm__ (".int 0xe8bd0880\n"); //pop {r7, fp}
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__asm__ (".int 0xe12fff1e\n"); //bx lr
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long
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__sys_call1 (long sys_call, long one)
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{
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long r;
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__asm__ (".int 0xe1a07000\n"); //mov r7, r0
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__asm__ (".int 0xe1a00001\n"); //mov r0, r1
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// __asm__ (".int 0xe1a01002\n"); //mov r1, r2
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// __asm__ (".int 0xe1a02003\n"); //mov r2, r3
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// __asm__ (".int 0xe1a03004\n"); //mov r3, r4
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__asm__ (".int 0xef000000\n"); //svc 0x00000000
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__asm__ (".int 0xe50b0004\n"); //str r0, [fp, #-4]
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return r;
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}
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#endif //__TINYC__
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#if !__TINYC__
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@ -114,29 +103,19 @@ __sys_call2 (long sys_call, long one, long two)
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return r;
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}
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#else //__TINYC__
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long __sys_call2 (long sys_call, long one, long two);
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__asm__ (".global __sys_call2\n");
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__asm__ ("__sys_call2:\n");
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__asm__ (".int 0xe92d0880\n"); //push {r7, fp}
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__asm__ (".int 0xe28db004\n"); //add fp, sp, #4
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__asm__ (".int 0xe24dd018\n"); //sub sp, sp, #24
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__asm__ (".int 0xe50b0010\n"); //str r0, [fp, #-16]
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__asm__ (".int 0xe50b1014\n"); //str r1, [fp, #-20] ; 0xffffffec
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__asm__ (".int 0xe50b2018\n"); //str r2, [fp, #-24] ; 0xffffffe8
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__asm__ (".int 0xe51b3010\n"); //ldr r3, [fp, #-16]
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__asm__ (".int 0xe51b2014\n"); //ldr r2, [fp, #-20] ; 0xffffffec
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__asm__ (".int 0xe51bc018\n"); //ldr ip, [fp, #-24] ; 0xffffffe8
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__asm__ (".int 0xe1a07003\n"); //mov r7, r3
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__asm__ (".int 0xe1a00002\n"); //mov r0, r2
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__asm__ (".int 0xe1a0100c\n"); //mov r1, ip
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__asm__ (".int 0xef000000\n"); //svc 0x00000000
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__asm__ (".int 0xe1a03000\n"); //mov r3, r0
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__asm__ (".int 0xe50b3008\n"); //str r3, [fp, #-8]
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__asm__ (".int 0xe51b3008\n"); //ldr r3, [fp, #-8]
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__asm__ (".int 0xe1a00003\n"); //mov r0, r3
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__asm__ (".int 0xe24bd004\n"); //sub sp, fp, #4
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__asm__ (".int 0xe8bd0880\n"); //pop {r7, fp}
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__asm__ (".int 0xe12fff1e\n"); //bx lr
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long
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__sys_call2 (long sys_call, long one, long two)
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{
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long r;
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__asm__ (".int 0xe1a07000\n"); //mov r7, r0
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__asm__ (".int 0xe1a00001\n"); //mov r0, r1
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__asm__ (".int 0xe1a01002\n"); //mov r1, r2
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// __asm__ (".int 0xe1a02003\n"); //mov r2, r3
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// __asm__ (".int 0xe1a03004\n"); //mov r3, r4
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__asm__ (".int 0xef000000\n"); //svc 0x00000000
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__asm__ (".int 0xe50b0004\n"); //str r0, [fp, #-4]
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return r;
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}
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#endif //__TINYC__
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#if !__TINYC__
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@ -158,31 +137,19 @@ __sys_call3 (long sys_call, long one, long two, long three)
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return r;
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}
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#else //__TINYC__
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long __sys_call3 (long sys_call, long one, long two, long three);
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__asm__ (".global __sys_call3\n");
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__asm__ ("__sys_call3:\n");
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__asm__ (".int 0xe92d4890\n"); //push {r4, r7, fp, lr}
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__asm__ (".int 0xe28db00c\n"); //add fp, sp, #12
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__asm__ (".int 0xe24dd018\n"); //sub sp, sp, #24
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__asm__ (".int 0xe50b0018\n"); //str r0, [fp, #-24] ; 0xffffffe8
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__asm__ (".int 0xe50b101c\n"); //str r1, [fp, #-28] ; 0xffffffe4
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__asm__ (".int 0xe50b2020\n"); //str r2, [fp, #-32] ; 0xffffffe0
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__asm__ (".int 0xe50b3024\n"); //str r3, [fp, #-36] ; 0xffffffdc
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__asm__ (".int 0xe51b3018\n"); //ldr r3, [fp, #-24] ; 0xffffffe8
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__asm__ (".int 0xe51bc01c\n"); //ldr ip, [fp, #-28] ; 0xffffffe4
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__asm__ (".int 0xe51be020\n"); //ldr lr, [fp, #-32] ; 0xffffffe0
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__asm__ (".int 0xe51b4024\n"); //ldr r4, [fp, #-36] ; 0xffffffdc
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__asm__ (".int 0xe1a07003\n"); //mov r7, r3
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__asm__ (".int 0xe1a0000c\n"); //mov r0, ip
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__asm__ (".int 0xe1a0100e\n"); //mov r1, lr
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__asm__ (".int 0xe1a02004\n"); //mov r2, r4
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__asm__ (".int 0xef000000\n"); //svc 0x00000000
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__asm__ (".int 0xe1a03000\n"); //mov r3, r0
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__asm__ (".int 0xe50b3010\n"); //str r3, [fp, #-16]
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__asm__ (".int 0xe51b3010\n"); //ldr r3, [fp, #-16]
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__asm__ (".int 0xe1a00003\n"); //mov r0, r3
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__asm__ (".int 0xe24bd00c\n"); //sub sp, fp, #12
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__asm__ (".int 0xe8bd8890\n"); //pop {r4, r7, fp, pc}
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long
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__sys_call3 (long sys_call, long one, long two, long three)
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{
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long r;
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__asm__ (".int 0xe1a07000\n"); //mov r7, r0
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__asm__ (".int 0xe1a00001\n"); //mov r0, r1
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__asm__ (".int 0xe1a01002\n"); //mov r1, r2
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__asm__ (".int 0xe1a02003\n"); //mov r2, r3
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// __asm__ (".int 0xe1a03004\n"); //mov r3, r4
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__asm__ (".int 0xef000000\n"); //svc 0x00000000
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__asm__ (".int 0xe50b0004\n"); //str r0, [fp, #-4]
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return r;
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}
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#endif //__TINYC__
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#if !__TINYC__
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@ -205,33 +172,19 @@ __sys_call4 (long sys_call, long one, long two, long three, long four)
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return r;
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}
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#else //__TINYC__
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long __sys_call4 (long sys_call, long one, long two, long three, long four);
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__asm__ (".global __sys_call4\n");
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__asm__ ("__sys_call4:\n");
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__asm__ (".int 0xe92d48f0\n"); //push {r4, r5, r6, r7, fp, lr}
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__asm__ (".int 0xe28db014\n"); //add fp, sp, #20
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__asm__ (".int 0xe24dd018\n"); //sub sp, sp, #24
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__asm__ (".int 0xe50b0020\n"); //str r0, [fp, #-32] ; 0xffffffe0
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__asm__ (".int 0xe50b1024\n"); //str r1, [fp, #-36] ; 0xffffffdc
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__asm__ (".int 0xe50b2028\n"); //str r2, [fp, #-40] ; 0xffffffd8
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__asm__ (".int 0xe50b302c\n"); //str r3, [fp, #-44] ; 0xffffffd4
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__asm__ (".int 0xe51bc020\n"); //ldr ip, [fp, #-32] ; 0xffffffe0
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__asm__ (".int 0xe51be024\n"); //ldr lr, [fp, #-36] ; 0xffffffdc
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__asm__ (".int 0xe51b4028\n"); //ldr r4, [fp, #-40] ; 0xffffffd8
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__asm__ (".int 0xe51b502c\n"); //ldr r5, [fp, #-44] ; 0xffffffd4
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__asm__ (".int 0xe59b6004\n"); //ldr r6, [fp, #4]
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__asm__ (".int 0xe1a0700c\n"); //mov r7, ip
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__asm__ (".int 0xe1a0000e\n"); //mov r0, lr
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__asm__ (".int 0xe1a01004\n"); //mov r1, r4
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__asm__ (".int 0xe1a02005\n"); //mov r2, r5
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__asm__ (".int 0xe1a03006\n"); //mov r3, r6
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__asm__ (".int 0xef000000\n"); //svc 0x00000000
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__asm__ (".int 0xe1a0c000\n"); //mov ip, r0
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__asm__ (".int 0xe50bc018\n"); //str ip, [fp, #-24] ; 0xffffffe8
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__asm__ (".int 0xe51b3018\n"); //ldr r3, [fp, #-24] ; 0xffffffe8
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__asm__ (".int 0xe1a00003\n"); //mov r0, r3
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__asm__ (".int 0xe24bd014\n"); //sub sp, fp, #20
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__asm__ (".int 0xe8bd88f0\n"); //pop {r4, r5, r6, r7, fp, pc}
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long
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__sys_call4 (long sys_call, long one, long two, long three, long four)
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{
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long r;
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__asm__ (".int 0xe1a07000\n"); //mov r7, r0
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__asm__ (".int 0xe1a00001\n"); //mov r0, r1
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__asm__ (".int 0xe1a01002\n"); //mov r1, r2
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__asm__ (".int 0xe1a02003\n"); //mov r2, r3
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__asm__ (".int 0xe1a03004\n"); //mov r3, r4
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__asm__ (".int 0xef000000\n"); //svc 0x00000000
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__asm__ (".int 0xe50b0004\n"); //str r0, [fp, #-4]
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return r;
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}
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#endif //__TINYC__
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#if 0
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