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author | Laurent Vivier <laurent@vivier.eu> | 2018-04-11 20:56:50 +0200 |
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committer | Laurent Vivier <laurent@vivier.eu> | 2018-04-30 09:48:31 +0200 |
commit | 1d8d0b4ec7b39735e4c3e078c7772f0cd240a0f8 (patch) | |
tree | 4f830a3822792c693818504bce469e61d7b1d215 /linux-user/main.c | |
parent | 5a0b6d22862531f533ae3cf7e382a3f6d0495ab4 (diff) | |
download | qemu-1d8d0b4ec7b39735e4c3e078c7772f0cd240a0f8.zip qemu-1d8d0b4ec7b39735e4c3e078c7772f0cd240a0f8.tar.gz qemu-1d8d0b4ec7b39735e4c3e078c7772f0cd240a0f8.tar.bz2 |
linux-user: move hppa cpu loop to hppa directory
No code change, only move code from main.c to
hppa/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: <20180411185651.21351-19-laurent@vivier.eu>
Diffstat (limited to 'linux-user/main.c')
-rw-r--r-- | linux-user/main.c | 194 |
1 files changed, 1 insertions, 193 deletions
diff --git a/linux-user/main.c b/linux-user/main.c index 834ec0b..aa48b04 100644 --- a/linux-user/main.c +++ b/linux-user/main.c @@ -149,189 +149,6 @@ void fork_end(int child) } } -#ifdef TARGET_HPPA - -static abi_ulong hppa_lws(CPUHPPAState *env) -{ - uint32_t which = env->gr[20]; - abi_ulong addr = env->gr[26]; - abi_ulong old = env->gr[25]; - abi_ulong new = env->gr[24]; - abi_ulong size, ret; - - switch (which) { - default: - return -TARGET_ENOSYS; - - case 0: /* elf32 atomic 32bit cmpxchg */ - if ((addr & 3) || !access_ok(VERIFY_WRITE, addr, 4)) { - return -TARGET_EFAULT; - } - old = tswap32(old); - new = tswap32(new); - ret = atomic_cmpxchg((uint32_t *)g2h(addr), old, new); - ret = tswap32(ret); - break; - - case 2: /* elf32 atomic "new" cmpxchg */ - size = env->gr[23]; - if (size >= 4) { - return -TARGET_ENOSYS; - } - if (((addr | old | new) & ((1 << size) - 1)) - || !access_ok(VERIFY_WRITE, addr, 1 << size) - || !access_ok(VERIFY_READ, old, 1 << size) - || !access_ok(VERIFY_READ, new, 1 << size)) { - return -TARGET_EFAULT; - } - /* Note that below we use host-endian loads so that the cmpxchg - can be host-endian as well. */ - switch (size) { - case 0: - old = *(uint8_t *)g2h(old); - new = *(uint8_t *)g2h(new); - ret = atomic_cmpxchg((uint8_t *)g2h(addr), old, new); - ret = ret != old; - break; - case 1: - old = *(uint16_t *)g2h(old); - new = *(uint16_t *)g2h(new); - ret = atomic_cmpxchg((uint16_t *)g2h(addr), old, new); - ret = ret != old; - break; - case 2: - old = *(uint32_t *)g2h(old); - new = *(uint32_t *)g2h(new); - ret = atomic_cmpxchg((uint32_t *)g2h(addr), old, new); - ret = ret != old; - break; - case 3: - { - uint64_t o64, n64, r64; - o64 = *(uint64_t *)g2h(old); - n64 = *(uint64_t *)g2h(new); -#ifdef CONFIG_ATOMIC64 - r64 = atomic_cmpxchg__nocheck((uint64_t *)g2h(addr), o64, n64); - ret = r64 != o64; -#else - start_exclusive(); - r64 = *(uint64_t *)g2h(addr); - ret = 1; - if (r64 == o64) { - *(uint64_t *)g2h(addr) = n64; - ret = 0; - } - end_exclusive(); -#endif - } - break; - } - break; - } - - env->gr[28] = ret; - return 0; -} - -void cpu_loop(CPUHPPAState *env) -{ - CPUState *cs = CPU(hppa_env_get_cpu(env)); - target_siginfo_t info; - abi_ulong ret; - int trapnr; - - while (1) { - cpu_exec_start(cs); - trapnr = cpu_exec(cs); - cpu_exec_end(cs); - process_queued_cpu_work(cs); - - switch (trapnr) { - case EXCP_SYSCALL: - ret = do_syscall(env, env->gr[20], - env->gr[26], env->gr[25], - env->gr[24], env->gr[23], - env->gr[22], env->gr[21], 0, 0); - switch (ret) { - default: - env->gr[28] = ret; - /* We arrived here by faking the gateway page. Return. */ - env->iaoq_f = env->gr[31]; - env->iaoq_b = env->gr[31] + 4; - break; - case -TARGET_ERESTARTSYS: - case -TARGET_QEMU_ESIGRETURN: - break; - } - break; - case EXCP_SYSCALL_LWS: - env->gr[21] = hppa_lws(env); - /* We arrived here by faking the gateway page. Return. */ - env->iaoq_f = env->gr[31]; - env->iaoq_b = env->gr[31] + 4; - break; - case EXCP_ITLB_MISS: - case EXCP_DTLB_MISS: - case EXCP_NA_ITLB_MISS: - case EXCP_NA_DTLB_MISS: - case EXCP_IMP: - case EXCP_DMP: - case EXCP_DMB: - case EXCP_PAGE_REF: - case EXCP_DMAR: - case EXCP_DMPI: - info.si_signo = TARGET_SIGSEGV; - info.si_errno = 0; - info.si_code = TARGET_SEGV_ACCERR; - info._sifields._sigfault._addr = env->cr[CR_IOR]; - queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); - break; - case EXCP_UNALIGN: - info.si_signo = TARGET_SIGBUS; - info.si_errno = 0; - info.si_code = 0; - info._sifields._sigfault._addr = env->cr[CR_IOR]; - queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); - break; - case EXCP_ILL: - case EXCP_PRIV_OPR: - case EXCP_PRIV_REG: - info.si_signo = TARGET_SIGILL; - info.si_errno = 0; - info.si_code = TARGET_ILL_ILLOPN; - info._sifields._sigfault._addr = env->iaoq_f; - queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); - break; - case EXCP_OVERFLOW: - case EXCP_COND: - case EXCP_ASSIST: - info.si_signo = TARGET_SIGFPE; - info.si_errno = 0; - info.si_code = 0; - info._sifields._sigfault._addr = env->iaoq_f; - queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); - break; - case EXCP_DEBUG: - trapnr = gdb_handlesig(cs, TARGET_SIGTRAP); - if (trapnr) { - info.si_signo = trapnr; - info.si_errno = 0; - info.si_code = TARGET_TRAP_BRKPT; - queue_signal(env, trapnr, QEMU_SI_FAULT, &info); - } - break; - case EXCP_INTERRUPT: - /* just indicate that signals should be handled asap */ - break; - default: - g_assert_not_reached(); - } - process_pending_signals(env); - } -} - -#endif /* TARGET_HPPA */ - #ifdef TARGET_XTENSA static void xtensa_rfw(CPUXtensaState *env) @@ -1228,16 +1045,7 @@ int main(int argc, char **argv, char **envp) target_cpu_copy_regs(env, regs); -#if defined(TARGET_HPPA) - { - int i; - for (i = 1; i < 32; i++) { - env->gr[i] = regs->gr[i]; - } - env->iaoq_f = regs->iaoq[0]; - env->iaoq_b = regs->iaoq[1]; - } -#elif defined(TARGET_XTENSA) +#if defined(TARGET_XTENSA) { int i; for (i = 0; i < 16; ++i) { |