Revision 38d0662a
| b/linux-user/arm-semi.c | ||
|---|---|---|
| 77 | 77 |
return code; |
| 78 | 78 |
} |
| 79 | 79 |
|
| 80 |
#define ARG(n) tget32(args + n * 4) |
|
| 80 |
#define ARG(n) tget32(args + (n) * 4) |
|
| 81 |
#define SET_ARG(n, val) tput32(args + (n) * 4,val) |
|
| 81 | 82 |
uint32_t do_arm_semihosting(CPUState *env) |
| 82 | 83 |
{
|
| 83 | 84 |
target_ulong args; |
| ... | ... | |
| 158 | 159 |
case SYS_ERRNO: |
| 159 | 160 |
return ts->swi_errno; |
| 160 | 161 |
case SYS_GET_CMDLINE: |
| 161 |
/* XXX: Not implemented. */ |
|
| 162 |
s = (char *)g2h(ARG(0)); |
|
| 163 |
*s = 0; |
|
| 164 |
return -1; |
|
| 162 |
/* Build a commandline from the original argv. */ |
|
| 163 |
{
|
|
| 164 |
char **arg = ts->info->host_argv; |
|
| 165 |
int len = ARG(1); |
|
| 166 |
/* lock the buffer on the ARM side */ |
|
| 167 |
char *cmdline_buffer = (char*)lock_user(ARG(0), len, 0); |
|
| 168 |
|
|
| 169 |
s = cmdline_buffer; |
|
| 170 |
while (*arg && len > 2) {
|
|
| 171 |
int n = strlen(*arg); |
|
| 172 |
|
|
| 173 |
if (s != cmdline_buffer) {
|
|
| 174 |
*(s++) = ' '; |
|
| 175 |
len--; |
|
| 176 |
} |
|
| 177 |
if (n >= len) |
|
| 178 |
n = len - 1; |
|
| 179 |
memcpy(s, *arg, n); |
|
| 180 |
s += n; |
|
| 181 |
len -= n; |
|
| 182 |
arg++; |
|
| 183 |
} |
|
| 184 |
/* Null terminate the string. */ |
|
| 185 |
*s = 0; |
|
| 186 |
len = s - cmdline_buffer; |
|
| 187 |
|
|
| 188 |
/* Unlock the buffer on the ARM side. */ |
|
| 189 |
unlock_user(cmdline_buffer, ARG(0), len); |
|
| 190 |
|
|
| 191 |
/* Adjust the commandline length argument. */ |
|
| 192 |
SET_ARG(1, len); |
|
| 193 |
|
|
| 194 |
/* Return success if commandline fit into buffer. */ |
|
| 195 |
return *arg ? -1 : 0; |
|
| 196 |
} |
|
| 165 | 197 |
case SYS_HEAPINFO: |
| 166 | 198 |
{
|
| 167 | 199 |
uint32_t *ptr; |
| b/linux-user/linuxload.c | ||
|---|---|---|
| 162 | 162 |
|
| 163 | 163 |
retval = prepare_binprm(&bprm); |
| 164 | 164 |
|
| 165 |
infop->host_argv = argv; |
|
| 166 |
|
|
| 165 | 167 |
if(retval>=0) {
|
| 166 | 168 |
if (bprm.buf[0] == 0x7f |
| 167 | 169 |
&& bprm.buf[1] == 'E' |
| b/linux-user/qemu.h | ||
|---|---|---|
| 29 | 29 |
unsigned long entry; |
| 30 | 30 |
target_ulong code_offset; |
| 31 | 31 |
target_ulong data_offset; |
| 32 |
char **host_argv; |
|
| 32 | 33 |
int personality; |
| 33 | 34 |
}; |
| 34 | 35 |
|
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