diff options
| -rw-r--r-- | bsd-user/main.c | 66 |
1 files changed, 43 insertions, 23 deletions
diff --git a/bsd-user/main.c b/bsd-user/main.c index 71bfe17..0f9e6bf 100644 --- a/bsd-user/main.c +++ b/bsd-user/main.c @@ -217,7 +217,7 @@ void cpu_loop(CPUX86State *env) #ifndef TARGET_ABI32 case EXCP_SYSCALL: /* syscall from syscall instruction */ - if (bsd_type == target_freebsd) + if (bsd_type == target_freebsd) { env->regs[R_EAX] = do_freebsd_syscall(env, env->regs[R_EAX], env->regs[R_EDI], @@ -226,7 +226,7 @@ void cpu_loop(CPUX86State *env) env->regs[R_ECX], env->regs[8], env->regs[9], 0, 0); - else { /* if (bsd_type == target_openbsd) */ + } else { /* if (bsd_type == target_openbsd) */ env->regs[R_EAX] = do_openbsd_syscall(env, env->regs[R_EAX], env->regs[R_EDI], @@ -250,7 +250,8 @@ void cpu_loop(CPUX86State *env) break; default: pc = env->segs[R_CS].base + env->eip; - fprintf(stderr, "qemu: 0x%08lx: unhandled CPU exception 0x%x - aborting\n", + fprintf(stderr, + "qemu: 0x%08lx: unhandled CPU exception 0x%x - aborting\n", (long)pc, trapnr); abort(); } @@ -274,8 +275,9 @@ static inline int get_reg_index(CPUSPARCState *env, int cwp, int index) * wrap handling : if cwp is on the last window, then we use the * registers 'after' the end */ - if (index < 8 && env->cwp == env->nwindows - 1) + if (index < 8 && env->cwp == env->nwindows - 1) { index += 16 * env->nwindows; + } return index; } @@ -287,8 +289,9 @@ static inline void save_window_offset(CPUSPARCState *env, int cwp1) sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)]; #ifdef TARGET_SPARC64 - if (sp_ptr & 3) + if (sp_ptr & 3) { sp_ptr += SPARC64_STACK_BIAS; + } #endif #if defined(DEBUG_WIN) printf("win_overflow: sp_ptr=0x" TARGET_ABI_FMT_lx " save_cwp=%d\n", @@ -337,8 +340,9 @@ static void restore_window(CPUSPARCState *env) cwp1 = cpu_cwp_inc(env, env->cwp + 1); sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)]; #ifdef TARGET_SPARC64 - if (sp_ptr & 3) + if (sp_ptr & 3) { sp_ptr += SPARC64_STACK_BIAS; + } #endif #if defined(DEBUG_WIN) printf("win_underflow: sp_ptr=0x" TARGET_ABI_FMT_lx " load_cwp=%d\n", @@ -351,8 +355,9 @@ static void restore_window(CPUSPARCState *env) } #ifdef TARGET_SPARC64 env->canrestore++; - if (env->cleanwin < env->nwindows - 1) + if (env->cleanwin < env->nwindows - 1) { env->cleanwin++; + } env->cansave--; #else env->wim = new_wim; @@ -368,11 +373,13 @@ static void flush_windows(CPUSPARCState *env) /* if restore would invoke restore_window(), then we can stop */ cwp1 = cpu_cwp_inc(env, env->cwp + offset); #ifndef TARGET_SPARC64 - if (env->wim & (1 << cwp1)) + if (env->wim & (1 << cwp1)) { break; + } #else - if (env->canrestore == 0) + if (env->canrestore == 0) { break; + } env->cansave++; env->canrestore--; #endif @@ -407,8 +414,9 @@ void cpu_loop(CPUSPARCState *env) #else /* FreeBSD uses 0x141 for syscalls too */ case 0x141: - if (bsd_type != target_freebsd) + if (bsd_type != target_freebsd) { goto badtrap; + } /* fallthrough */ case 0x100: #endif @@ -417,7 +425,8 @@ void cpu_loop(CPUSPARCState *env) ret = do_freebsd_syscall(env, syscall_nr, env->regwptr[0], env->regwptr[1], env->regwptr[2], env->regwptr[3], - env->regwptr[4], env->regwptr[5], 0, 0); + env->regwptr[4], env->regwptr[5], + 0, 0); else if (bsd_type == target_netbsd) ret = do_netbsd_syscall(env, syscall_nr, env->regwptr[0], env->regwptr[1], @@ -610,8 +619,9 @@ int main(int argc, char **argv) envlist_t *envlist = NULL; bsd_type = target_openbsd; - if (argc <= 1) + if (argc <= 1) { usage(); + } error_init(argv[0]); module_call_init(MODULE_INIT_TRACE); @@ -631,11 +641,13 @@ int main(int argc, char **argv) optind = 1; for (;;) { - if (optind >= argc) + if (optind >= argc) { break; + } r = argv[optind]; - if (r[0] != '-') + if (r[0] != '-') { break; + } optind++; r++; if (!strcmp(r, "-")) { @@ -652,24 +664,28 @@ int main(int argc, char **argv) log_file = argv[optind++]; } else if (!strcmp(r, "E")) { r = argv[optind++]; - if (envlist_setenv(envlist, r) != 0) + if (envlist_setenv(envlist, r) != 0) { usage(); + } } else if (!strcmp(r, "ignore-environment")) { envlist_free(envlist); envlist = envlist_create(); } else if (!strcmp(r, "U")) { r = argv[optind++]; - if (envlist_unsetenv(envlist, r) != 0) + if (envlist_unsetenv(envlist, r) != 0) { usage(); + } } else if (!strcmp(r, "s")) { r = argv[optind++]; x86_stack_size = strtol(r, (char **)&r, 0); - if (x86_stack_size <= 0) + if (x86_stack_size <= 0) { usage(); - if (*r == 'M') + } + if (*r == 'M') { x86_stack_size *= MiB; - else if (*r == 'k' || *r == 'K') + } else if (*r == 'k' || *r == 'K') { x86_stack_size *= KiB; + } } else if (!strcmp(r, "L")) { interp_prefix = argv[optind++]; } else if (!strcmp(r, "p")) { @@ -809,11 +825,13 @@ int main(int argc, char **argv) if (!have_guest_base) { FILE *fp; - if ((fp = fopen("/proc/sys/vm/mmap_min_addr", "r")) != NULL) { + fp = fopen("/proc/sys/vm/mmap_min_addr", "r"); + if (fp != NULL) { unsigned long tmp; if (fscanf(fp, "%lu", &tmp) == 1) { mmap_min_addr = tmp; - qemu_log_mask(CPU_LOG_PAGE, "host mmap_min_addr=0x%lx\n", mmap_min_addr); + qemu_log_mask(CPU_LOG_PAGE, "host mmap_min_addr=0x%lx\n", + mmap_min_addr); } fclose(fp); } @@ -986,10 +1004,12 @@ int main(int argc, char **argv) env->pc = regs->pc; env->npc = regs->npc; env->y = regs->y; - for (i = 0; i < 8; i++) + for (i = 0; i < 8; i++) { env->gregs[i] = regs->u_regs[i]; - for (i = 0; i < 8; i++) + } + for (i = 0; i < 8; i++) { env->regwptr[i] = regs->u_regs[i + 8]; + } } #else #error unsupported target CPU |