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semihosting lseek doesn't use whence. #122

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Merged
Parent: Map errno to fixed values
merged 1 commit into from
Oct 17, 2025
Merged

semihosting lseek doesn't use whence. #122

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12 changes: 12 additions & 0 deletions target/hexagon/hexswi.c
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,7 @@

/* non-arm-compatible semihosting calls */
#define HEXAGON_SPECIFIC_SWI_FLAGS \
DEF_SWI_FLAG(SEEK, 0x0A) \
DEF_SWI_FLAG(EXCEPTION, 0x18) \
DEF_SWI_FLAG(READ_CYCLES, 0x40) \
DEF_SWI_FLAG(PROF_ON, 0x41) \
Expand Down Expand Up @@ -325,6 +326,17 @@ static void sim_handle_trap0(CPUHexagonState *env)
semi_cb(cs, 0, 0);
break;

case HEX_SYS_SEEK:
{
int fd;
target_ulong off;
hexagon_read_memory(env, swi_info, 4, &fd, retaddr);
hexagon_read_memory(env, swi_info + 4, 4, &off, retaddr);
semihost_sys_lseek(env_cpu(env), common_semi_ftell_cb, fd, off,
GDB_SEEK_SET);
}
break;

case HEX_SYS_STAT:
case HEX_SYS_FSTAT:
{
Expand Down