diff options
| author | Laurent Vivier <laurent@vivier.eu> | 2018-04-11 20:56:43 +0200 |
|---|---|---|
| committer | Laurent Vivier <laurent@vivier.eu> | 2018-04-30 09:48:15 +0200 |
| commit | 8dd14a9b79a3fd21651ecfc31526c32c0965f90f (patch) | |
| tree | e6916d30a9fe51c4b50f9579107eef5cdf76b5bf /linux-user/cris | |
| parent | c37dcb4fa881998363b21a31212dc7a4bb80880d (diff) | |
linux-user: move cris cpu loop to cris directory
No code change, only move code from main.c to
cris/cpu_loop.c.
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180411185651.21351-12-laurent@vivier.eu>
Diffstat (limited to 'linux-user/cris')
| -rw-r--r-- | linux-user/cris/cpu_loop.c | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/linux-user/cris/cpu_loop.c b/linux-user/cris/cpu_loop.c index b7700a5561..1c5eca9f83 100644 --- a/linux-user/cris/cpu_loop.c +++ b/linux-user/cris/cpu_loop.c @@ -21,6 +21,95 @@ #include "qemu.h" #include "cpu_loop-common.h" +void cpu_loop(CPUCRISState *env) +{ + CPUState *cs = CPU(cris_env_get_cpu(env)); + int trapnr, ret; + target_siginfo_t info; + + while (1) { + cpu_exec_start(cs); + trapnr = cpu_exec(cs); + cpu_exec_end(cs); + process_queued_cpu_work(cs); + + switch (trapnr) { + case 0xaa: + { + info.si_signo = TARGET_SIGSEGV; + info.si_errno = 0; + /* XXX: check env->error_code */ + info.si_code = TARGET_SEGV_MAPERR; + info._sifields._sigfault._addr = env->pregs[PR_EDA]; + queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); + } + break; + case EXCP_INTERRUPT: + /* just indicate that signals should be handled asap */ + break; + case EXCP_BREAK: + ret = do_syscall(env, + env->regs[9], + env->regs[10], + env->regs[11], + env->regs[12], + env->regs[13], + env->pregs[7], + env->pregs[11], + 0, 0); + if (ret == -TARGET_ERESTARTSYS) { + env->pc -= 2; + } else if (ret != -TARGET_QEMU_ESIGRETURN) { + env->regs[10] = ret; + } + break; + case EXCP_DEBUG: + { + int sig; + + sig = gdb_handlesig(cs, TARGET_SIGTRAP); + if (sig) + { + info.si_signo = sig; + info.si_errno = 0; + info.si_code = TARGET_TRAP_BRKPT; + queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); + } + } + break; + case EXCP_ATOMIC: + cpu_exec_step_atomic(cs); + break; + default: + printf ("Unhandled trap: 0x%x\n", trapnr); + cpu_dump_state(cs, stderr, fprintf, 0); + exit(EXIT_FAILURE); + } + process_pending_signals (env); + } +} + void target_cpu_copy_regs(CPUArchState *env, struct target_pt_regs *regs) { + CPUState *cpu = ENV_GET_CPU(env); + TaskState *ts = cpu->opaque; + struct image_info *info = ts->info; + + env->regs[0] = regs->r0; + env->regs[1] = regs->r1; + env->regs[2] = regs->r2; + env->regs[3] = regs->r3; + env->regs[4] = regs->r4; + env->regs[5] = regs->r5; + env->regs[6] = regs->r6; + env->regs[7] = regs->r7; + env->regs[8] = regs->r8; + env->regs[9] = regs->r9; + env->regs[10] = regs->r10; + env->regs[11] = regs->r11; + env->regs[12] = regs->r12; + env->regs[13] = regs->r13; + env->regs[14] = info->start_stack; + env->regs[15] = regs->acr; + env->pc = regs->erp; } |