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| author | Ulrich Hecht <uli@suse.de> | 2009-07-24 16:57:31 +0200 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2011-05-20 17:35:12 +0200 |
| commit | a4c075f178a3a2c976667389f19ce7dbabaf9712 (patch) | |
| tree | 4f54e1b2c9b03cde9ae821f7f6821669a1bef1c4 /linux-user/main.c | |
| parent | 7a86d29a7e16e738d749cfece8857d8902790875 (diff) | |
| download | focaccia-qemu-a4c075f178a3a2c976667389f19ce7dbabaf9712.tar.gz focaccia-qemu-a4c075f178a3a2c976667389f19ce7dbabaf9712.zip | |
s390x: s390x-linux-user support
This patch adds support for running s390x binaries in the linux-user emulation code. Signed-off-by: Ulrich Hecht <uli@suse.de> Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'linux-user/main.c')
| -rw-r--r-- | linux-user/main.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/linux-user/main.c b/linux-user/main.c index a4996e7e3a..98010a17a1 100644 --- a/linux-user/main.c +++ b/linux-user/main.c @@ -2701,6 +2701,80 @@ void cpu_loop (CPUState *env) } #endif /* TARGET_ALPHA */ +#ifdef TARGET_S390X +void cpu_loop(CPUS390XState *env) +{ + int trapnr; + target_siginfo_t info; + + while (1) { + trapnr = cpu_s390x_exec (env); + + switch (trapnr) { + case EXCP_INTERRUPT: + /* just indicate that signals should be handled asap */ + break; + case EXCP_DEBUG: + { + int sig; + + sig = gdb_handlesig (env, TARGET_SIGTRAP); + if (sig) { + info.si_signo = sig; + info.si_errno = 0; + info.si_code = TARGET_TRAP_BRKPT; + queue_signal(env, info.si_signo, &info); + } + } + break; + case EXCP_SVC: + { + int n = env->int_svc_code; + if (!n) { + /* syscalls > 255 */ + n = env->regs[1]; + } + env->psw.addr += env->int_svc_ilc; + env->regs[2] = do_syscall(env, n, + env->regs[2], + env->regs[3], + env->regs[4], + env->regs[5], + env->regs[6], + env->regs[7]); + } + break; + case EXCP_ADDR: + { + info.si_signo = SIGSEGV; + info.si_errno = 0; + /* XXX: check env->error_code */ + info.si_code = TARGET_SEGV_MAPERR; + info._sifields._sigfault._addr = env->__excp_addr; + queue_signal(env, info.si_signo, &info); + } + break; + case EXCP_SPEC: + { + fprintf(stderr,"specification exception insn 0x%08x%04x\n", ldl(env->psw.addr), lduw(env->psw.addr + 4)); + info.si_signo = SIGILL; + info.si_errno = 0; + info.si_code = TARGET_ILL_ILLOPC; + info._sifields._sigfault._addr = env->__excp_addr; + queue_signal(env, info.si_signo, &info); + } + break; + default: + printf ("Unhandled trap: 0x%x\n", trapnr); + cpu_dump_state(env, stderr, fprintf, 0); + exit (1); + } + process_pending_signals (env); + } +} + +#endif /* TARGET_S390X */ + static void version(void) { printf("qemu-" TARGET_ARCH " version " QEMU_VERSION QEMU_PKGVERSION @@ -3450,6 +3524,15 @@ int main(int argc, char **argv, char **envp) env->regs[15] = regs->acr; env->pc = regs->erp; } +#elif defined(TARGET_S390X) + { + int i; + for (i = 0; i < 16; i++) { + env->regs[i] = regs->gprs[i]; + } + env->psw.mask = regs->psw.mask; + env->psw.addr = regs->psw.addr; + } #else #error unsupported target CPU #endif |