cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
Log | Files | Refs | Submodules | LICENSE | sfeed.txt

hello-arm.c (3277B)

      1#define __NR_SYSCALL_BASE	0x900000
      2#define __NR_exit1			(__NR_SYSCALL_BASE+  1)
      3#define __NR_write			(__NR_SYSCALL_BASE+  4)
      4
      5#define __sys2(x) #x
      6#define __sys1(x) __sys2(x)
      7
      8#ifndef __syscall
      9#define __syscall(name) "swi\t" __sys1(__NR_##name) "\n\t"
     10#endif
     11
     12#define __syscall_return(type, res)					\
     13do {									\
     14        return (type) (res);						\
     15} while (0)
     16
     17#define _syscall0(type,name)						\
     18type name(void) {							\
     19  long __res;								\
     20  __asm__ __volatile__ (						\
     21  __syscall(name)							\
     22  "mov %0,r0"								\
     23  :"=r" (__res) : : "r0","lr");						\
     24  __syscall_return(type,__res);						\
     25}
     26
     27#define _syscall1(type,name,type1,arg1)					\
     28type name(type1 arg1) {							\
     29  long __res;								\
     30  __asm__ __volatile__ (						\
     31  "mov\tr0,%1\n\t"							\
     32  __syscall(name)							\
     33  "mov %0,r0"								\
     34        : "=r" (__res)							\
     35        : "r" ((long)(arg1))						\
     36        : "r0","lr");							\
     37  __syscall_return(type,__res);						\
     38}
     39
     40#define _syscall2(type,name,type1,arg1,type2,arg2)			\
     41type name(type1 arg1,type2 arg2) {					\
     42  long __res;								\
     43  __asm__ __volatile__ (						\
     44  "mov\tr0,%1\n\t"							\
     45  "mov\tr1,%2\n\t"							\
     46  __syscall(name)							\
     47  "mov\t%0,r0"								\
     48        : "=r" (__res)							\
     49        : "r" ((long)(arg1)),"r" ((long)(arg2))				\
     50        : "r0","r1","lr");						\
     51  __syscall_return(type,__res);						\
     52}
     53
     54
     55#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3)		\
     56type name(type1 arg1,type2 arg2,type3 arg3) {				\
     57  long __res;								\
     58  __asm__ __volatile__ (						\
     59  "mov\tr0,%1\n\t"							\
     60  "mov\tr1,%2\n\t"							\
     61  "mov\tr2,%3\n\t"							\
     62  __syscall(name)							\
     63  "mov\t%0,r0"								\
     64        : "=r" (__res)							\
     65        : "r" ((long)(arg1)),"r" ((long)(arg2)),"r" ((long)(arg3))	\
     66        : "r0","r1","r2","lr");						\
     67  __syscall_return(type,__res);						\
     68}
     69
     70
     71#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4)		\
     72type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) {				\
     73  long __res;										\
     74  __asm__ __volatile__ (								\
     75  "mov\tr0,%1\n\t"									\
     76  "mov\tr1,%2\n\t"									\
     77  "mov\tr2,%3\n\t"									\
     78  "mov\tr3,%4\n\t"									\
     79  __syscall(name)									\
     80  "mov\t%0,r0"										\
     81        : "=r" (__res)									\
     82        : "r" ((long)(arg1)),"r" ((long)(arg2)),"r" ((long)(arg3)),"r" ((long)(arg4))	\
     83        : "r0","r1","r2","r3","lr");							\
     84  __syscall_return(type,__res);								\
     85}
     86
     87
     88#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5)	\
     89type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) {			\
     90  long __res;										\
     91  __asm__ __volatile__ (								\
     92  "mov\tr0,%1\n\t"									\
     93  "mov\tr1,%2\n\t"									\
     94  "mov\tr2,%3\n\t"									\
     95  "mov\tr3,%4\n\t"									\
     96  "mov\tr4,%5\n\t"									\
     97  __syscall(name)									\
     98  "mov\t%0,r0"										\
     99        : "=r" (__res)									\
    100        : "r" ((long)(arg1)),"r" ((long)(arg2)),"r" ((long)(arg3)),"r" ((long)(arg4)),	\
    101          "r" ((long)(arg5))								\
    102        : "r0","r1","r2","r3","r4","lr");						\
    103  __syscall_return(type,__res);								\
    104}
    105
    106_syscall1(int,exit1,int,status);
    107_syscall3(int,write,int,fd,const char *,buf, int, len);
    108
    109void _start(void)
    110{
    111    write(1, "Hello World\n", 12);
    112    exit1(0);
    113}