diff options
Diffstat (limited to 'linux-user')
| -rw-r--r-- | linux-user/elfload.c | 74 | ||||
| -rw-r--r-- | linux-user/main.c | 89 | ||||
| -rw-r--r-- | linux-user/qemu.h | 5 | ||||
| -rw-r--r-- | linux-user/syscall_defs.h | 10 |
4 files changed, 173 insertions, 5 deletions
diff --git a/linux-user/elfload.c b/linux-user/elfload.c index fe5410e6f9..4c399f8e33 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -339,6 +339,80 @@ enum #endif +#ifdef TARGET_UNICORE32 + +#define ELF_START_MMAP 0x80000000 + +#define elf_check_arch(x) ((x) == EM_UNICORE32) + +#define ELF_CLASS ELFCLASS32 +#define ELF_DATA ELFDATA2LSB +#define ELF_ARCH EM_UNICORE32 + +static inline void init_thread(struct target_pt_regs *regs, + struct image_info *infop) +{ + abi_long stack = infop->start_stack; + memset(regs, 0, sizeof(*regs)); + regs->UC32_REG_asr = 0x10; + regs->UC32_REG_pc = infop->entry & 0xfffffffe; + regs->UC32_REG_sp = infop->start_stack; + /* FIXME - what to for failure of get_user()? */ + get_user_ual(regs->UC32_REG_02, stack + 8); /* envp */ + get_user_ual(regs->UC32_REG_01, stack + 4); /* envp */ + /* XXX: it seems that r0 is zeroed after ! */ + regs->UC32_REG_00 = 0; +} + +#define ELF_NREG 34 +typedef target_elf_greg_t target_elf_gregset_t[ELF_NREG]; + +static void elf_core_copy_regs(target_elf_gregset_t *regs, const CPUState *env) +{ + (*regs)[0] = env->regs[0]; + (*regs)[1] = env->regs[1]; + (*regs)[2] = env->regs[2]; + (*regs)[3] = env->regs[3]; + (*regs)[4] = env->regs[4]; + (*regs)[5] = env->regs[5]; + (*regs)[6] = env->regs[6]; + (*regs)[7] = env->regs[7]; + (*regs)[8] = env->regs[8]; + (*regs)[9] = env->regs[9]; + (*regs)[10] = env->regs[10]; + (*regs)[11] = env->regs[11]; + (*regs)[12] = env->regs[12]; + (*regs)[13] = env->regs[13]; + (*regs)[14] = env->regs[14]; + (*regs)[15] = env->regs[15]; + (*regs)[16] = env->regs[16]; + (*regs)[17] = env->regs[17]; + (*regs)[18] = env->regs[18]; + (*regs)[19] = env->regs[19]; + (*regs)[20] = env->regs[20]; + (*regs)[21] = env->regs[21]; + (*regs)[22] = env->regs[22]; + (*regs)[23] = env->regs[23]; + (*regs)[24] = env->regs[24]; + (*regs)[25] = env->regs[25]; + (*regs)[26] = env->regs[26]; + (*regs)[27] = env->regs[27]; + (*regs)[28] = env->regs[28]; + (*regs)[29] = env->regs[29]; + (*regs)[30] = env->regs[30]; + (*regs)[31] = env->regs[31]; + + (*regs)[32] = cpu_asr_read((CPUState *)env); + (*regs)[33] = env->regs[0]; /* XXX */ +} + +#define USE_ELF_CORE_DUMP +#define ELF_EXEC_PAGESIZE 4096 + +#define ELF_HWCAP (UC32_HWCAP_CMOV | UC32_HWCAP_UCF64) + +#endif + #ifdef TARGET_SPARC #ifdef TARGET_SPARC64 diff --git a/linux-user/main.c b/linux-user/main.c index 91600877d2..a1e37e4948 100644 --- a/linux-user/main.c +++ b/linux-user/main.c @@ -816,6 +816,83 @@ void cpu_loop(CPUARMState *env) #endif +#ifdef TARGET_UNICORE32 + +void cpu_loop(CPUState *env) +{ + int trapnr; + unsigned int n, insn; + target_siginfo_t info; + + for (;;) { + cpu_exec_start(env); + trapnr = uc32_cpu_exec(env); + cpu_exec_end(env); + switch (trapnr) { + case UC32_EXCP_PRIV: + { + /* system call */ + get_user_u32(insn, env->regs[31] - 4); + n = insn & 0xffffff; + + if (n >= UC32_SYSCALL_BASE) { + /* linux syscall */ + n -= UC32_SYSCALL_BASE; + if (n == UC32_SYSCALL_NR_set_tls) { + cpu_set_tls(env, env->regs[0]); + env->regs[0] = 0; + } else { + env->regs[0] = do_syscall(env, + n, + env->regs[0], + env->regs[1], + env->regs[2], + env->regs[3], + env->regs[4], + env->regs[5]); + } + } else { + goto error; + } + } + break; + case UC32_EXCP_TRAP: + info.si_signo = SIGSEGV; + info.si_errno = 0; + /* XXX: check env->error_code */ + info.si_code = TARGET_SEGV_MAPERR; + info._sifields._sigfault._addr = env->cp0.c4_faultaddr; + queue_signal(env, info.si_signo, &info); + break; + 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; + default: + goto error; + } + process_pending_signals(env); + } + +error: + fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n", trapnr); + cpu_dump_state(env, stderr, fprintf, 0); + abort(); +} +#endif + #ifdef TARGET_SPARC #define SPARC64_STACK_BIAS 2047 @@ -2925,6 +3002,8 @@ int main(int argc, char **argv, char **envp) #endif #elif defined(TARGET_ARM) cpu_model = "any"; +#elif defined(TARGET_UNICORE32) + cpu_model = "any"; #elif defined(TARGET_M68K) cpu_model = "any"; #elif defined(TARGET_SPARC) @@ -3227,6 +3306,14 @@ int main(int argc, char **argv, char **envp) env->regs[i] = regs->uregs[i]; } } +#elif defined(TARGET_UNICORE32) + { + int i; + cpu_asr_write(env, regs->uregs[32], 0xffffffff); + for (i = 0; i < 32; i++) { + env->regs[i] = regs->uregs[i]; + } + } #elif defined(TARGET_SPARC) { int i; @@ -3367,7 +3454,7 @@ int main(int argc, char **argv, char **envp) #error unsupported target CPU #endif -#if defined(TARGET_ARM) || defined(TARGET_M68K) +#if defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_UNICORE32) ts->stack_base = info->start_stack; ts->heap_base = info->brk; /* This will be filled in on the first SYS_HEAPINFO call. */ diff --git a/linux-user/qemu.h b/linux-user/qemu.h index 250814d9f7..f522f5e64a 100644 --- a/linux-user/qemu.h +++ b/linux-user/qemu.h @@ -105,6 +105,9 @@ typedef struct TaskState { FPA11 fpa; int swi_errno; #endif +#ifdef TARGET_UNICORE32 + int swi_errno; +#endif #if defined(TARGET_I386) && !defined(TARGET_X86_64) abi_ulong target_v86; struct vm86_saved_state vm86_saved_regs; @@ -118,7 +121,7 @@ typedef struct TaskState { #ifdef TARGET_M68K int sim_syscalls; #endif -#if defined(TARGET_ARM) || defined(TARGET_M68K) +#if defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_UNICORE32) /* Extra fields for semihosted binaries. */ uint32_t stack_base; uint32_t heap_base; diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h index 702652cb9e..bde89213de 100644 --- a/linux-user/syscall_defs.h +++ b/linux-user/syscall_defs.h @@ -55,7 +55,7 @@ #endif #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SH4) \ - || defined(TARGET_M68K) || defined(TARGET_CRIS) + || defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_UNICORE32) #define TARGET_IOC_SIZEBITS 14 #define TARGET_IOC_DIRBITS 2 @@ -315,7 +315,10 @@ struct target_sigaction; int do_sigaction(int sig, const struct target_sigaction *act, struct target_sigaction *oact); -#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_MIPS) || defined (TARGET_SH4) || defined(TARGET_M68K) || defined(TARGET_ALPHA) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE) +#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SPARC) \ + || defined(TARGET_PPC) || defined(TARGET_MIPS) || defined(TARGET_SH4) \ + || defined(TARGET_M68K) || defined(TARGET_ALPHA) || defined(TARGET_CRIS) \ + || defined(TARGET_MICROBLAZE) || defined(TARGET_UNICORE32) #if defined(TARGET_SPARC) #define TARGET_SA_NOCLDSTOP 8u @@ -1002,7 +1005,8 @@ struct target_winsize { #define TARGET_MAP_UNINITIALIZED 0x4000000 /* for anonymous mmap, memory could be uninitialized */ #endif -#if (defined(TARGET_I386) && defined(TARGET_ABI32)) || defined(TARGET_ARM) || defined(TARGET_CRIS) +#if (defined(TARGET_I386) && defined(TARGET_ABI32)) || defined(TARGET_ARM) \ + || defined(TARGET_CRIS) || defined(TARGET_UNICORE32) struct target_stat { unsigned short st_dev; unsigned short __pad1; |