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ARM "Angel" semihosting syscalls (Paul Brook)

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1383 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2005-04-23 18:25:41 +00:00
parent 89344d5ad7
commit a4f81979e8
6 changed files with 213 additions and 2 deletions
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7
linux-user/main.c
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@ -363,6 +363,9 @@ void cpu_loop(CPUARMState *env)
n = insn & 0xffffff;
if (n == ARM_NR_cacheflush) {
arm_cache_flush(env->regs[0], env->regs[1]);
} else if (n == ARM_NR_semihosting
|| n == ARM_NR_thumb_semihosting) {
env->regs[0] = do_arm_semihosting (env);
} else if (n >= ARM_SYSCALL_BASE) {
/* linux syscall */
n -= ARM_SYSCALL_BASE;
@ -1207,6 +1210,10 @@ int main(int argc, char **argv)
env->regs[i] = regs->uregs[i];
}
env->cpsr = regs->uregs[16];
ts->stack_base = info->start_stack;
ts->heap_base = info->brk;
/* This will be filled in on the first SYS_HEAPINFO call. */
ts->heap_limit = 0;
}
#elif defined(TARGET_SPARC)
{