diff options
| -rw-r--r-- | include/elf.h | 2 | ||||
| -rw-r--r-- | linux-user/elfload.c | 23 | ||||
| -rw-r--r-- | linux-user/main.c | 69 | ||||
| -rw-r--r-- | linux-user/syscall_defs.h | 14 |
4 files changed, 103 insertions, 5 deletions
diff --git a/include/elf.h b/include/elf.h index 4afd474..79859f0 100644 --- a/include/elf.h +++ b/include/elf.h @@ -133,6 +133,8 @@ typedef int64_t Elf64_Sxword; #define EM_AARCH64 183 +#define EM_TILEGX 191 /* TILE-Gx */ + /* This is the info that is needed to parse the dynamic section of the file */ #define DT_NULL 0 #define DT_NEEDED 1 diff --git a/linux-user/elfload.c b/linux-user/elfload.c index eca0c7f..39f3282 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -1218,6 +1218,29 @@ static inline void init_thread(struct target_pt_regs *regs, struct image_info *i #endif /* TARGET_S390X */ +#ifdef TARGET_TILEGX + +/* 42 bits real used address, a half for user mode */ +#define ELF_START_MMAP (0x00000020000000000ULL) + +#define elf_check_arch(x) ((x) == EM_TILEGX) + +#define ELF_CLASS ELFCLASS64 +#define ELF_DATA ELFDATA2LSB +#define ELF_ARCH EM_TILEGX + +static inline void init_thread(struct target_pt_regs *regs, + struct image_info *infop) +{ + regs->pc = infop->entry; + regs->sp = infop->start_stack; + +} + +#define ELF_EXEC_PAGESIZE 65536 /* TILE-Gx page size is 64KB */ + +#endif /* TARGET_TILEGX */ + #ifndef ELF_PLATFORM #define ELF_PLATFORM (NULL) #endif diff --git a/linux-user/main.c b/linux-user/main.c index 4ba7228..7ecb018 100644 --- a/linux-user/main.c +++ b/linux-user/main.c @@ -3412,6 +3412,64 @@ void cpu_loop(CPUS390XState *env) #endif /* TARGET_S390X */ +#ifdef TARGET_TILEGX + +static void gen_sigsegv_maperr(CPUTLGState *env, target_ulong addr) +{ + target_siginfo_t info; + + info.si_signo = TARGET_SIGSEGV; + info.si_errno = 0; + info.si_code = TARGET_SEGV_MAPERR; + info._sifields._sigfault._addr = addr; + queue_signal(env, info.si_signo, &info); +} + +static void gen_sigill_reg(CPUTLGState *env) +{ + target_siginfo_t info; + + info.si_signo = TARGET_SIGILL; + info.si_errno = 0; + info.si_code = TARGET_ILL_PRVREG; + info._sifields._sigfault._addr = env->pc; + queue_signal(env, info.si_signo, &info); +} + +void cpu_loop(CPUTLGState *env) +{ + CPUState *cs = CPU(tilegx_env_get_cpu(env)); + int trapnr; + + while (1) { + cpu_exec_start(cs); + trapnr = cpu_tilegx_exec(cs); + cpu_exec_end(cs); + switch (trapnr) { + case TILEGX_EXCP_SYSCALL: + env->regs[TILEGX_R_RE] = do_syscall(env, env->regs[TILEGX_R_NR], + env->regs[0], env->regs[1], + env->regs[2], env->regs[3], + env->regs[4], env->regs[5], + env->regs[6], env->regs[7]); + env->regs[TILEGX_R_ERR] = TILEGX_IS_ERRNO(env->regs[TILEGX_R_RE]) + ? - env->regs[TILEGX_R_RE] + : 0; + break; + case TILEGX_EXCP_REG_IDN_ACCESS: + case TILEGX_EXCP_REG_UDN_ACCESS: + gen_sigill_reg(env); + break; + default: + fprintf(stderr, "trapnr is %d[0x%x].\n", trapnr, trapnr); + g_assert_not_reached(); + } + process_pending_signals(env); + } +} + +#endif + THREAD CPUState *thread_cpu; void task_settid(TaskState *ts) @@ -4377,6 +4435,17 @@ int main(int argc, char **argv, char **envp) env->psw.mask = regs->psw.mask; env->psw.addr = regs->psw.addr; } +#elif defined(TARGET_TILEGX) + { + int i; + for (i = 0; i < TILEGX_R_COUNT; i++) { + env->regs[i] = regs->regs[i]; + } + for (i = 0; i < TILEGX_SPR_COUNT; i++) { + env->spregs[i] = 0; + } + env->pc = regs->pc; + } #else #error unsupported target CPU #endif diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h index 5256fe5..cdc8db4 100644 --- a/linux-user/syscall_defs.h +++ b/linux-user/syscall_defs.h @@ -64,8 +64,9 @@ #endif #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SH4) \ - || defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_UNICORE32) \ - || defined(TARGET_S390X) || defined(TARGET_OPENRISC) + || defined(TARGET_M68K) || defined(TARGET_CRIS) \ + || defined(TARGET_UNICORE32) || defined(TARGET_S390X) \ + || defined(TARGET_OPENRISC) || defined(TARGET_TILEGX) #define TARGET_IOC_SIZEBITS 14 #define TARGET_IOC_DIRBITS 2 @@ -365,7 +366,8 @@ int do_sigaction(int sig, const struct target_sigaction *act, || defined(TARGET_PPC) || defined(TARGET_MIPS) || defined(TARGET_SH4) \ || defined(TARGET_M68K) || defined(TARGET_ALPHA) || defined(TARGET_CRIS) \ || defined(TARGET_MICROBLAZE) || defined(TARGET_UNICORE32) \ - || defined(TARGET_S390X) || defined(TARGET_OPENRISC) + || defined(TARGET_S390X) || defined(TARGET_OPENRISC) \ + || defined(TARGET_TILEGX) #if defined(TARGET_SPARC) #define TARGET_SA_NOCLDSTOP 8u @@ -1871,7 +1873,7 @@ struct target_stat { abi_ulong target_st_ctime_nsec; unsigned int __unused[2]; }; -#elif defined(TARGET_OPENRISC) +#elif defined(TARGET_OPENRISC) || defined(TARGET_TILEGX) /* These are the asm-generic versions of the stat and stat64 structures */ @@ -2264,7 +2266,9 @@ struct target_flock { struct target_flock64 { short l_type; short l_whence; -#if defined(TARGET_PPC) || defined(TARGET_X86_64) || defined(TARGET_MIPS) || defined(TARGET_SPARC) || defined(TARGET_HPPA) || defined (TARGET_MICROBLAZE) +#if defined(TARGET_PPC) || defined(TARGET_X86_64) || defined(TARGET_MIPS) \ + || defined(TARGET_SPARC) || defined(TARGET_HPPA) \ + || defined(TARGET_MICROBLAZE) || defined(TARGET_TILEGX) int __pad; #endif unsigned long long l_start; |