diff options
| author | Guan Xuetao <gxt@mprc.pku.edu.cn> | 2011-04-12 16:27:03 +0800 |
|---|---|---|
| committer | Blue Swirl <blauwirbel@gmail.com> | 2011-04-12 18:49:05 +0000 |
| commit | d2fbca94223ef573a67d4eb2f27509a9bbb85ca1 (patch) | |
| tree | d664b734daab1020022b6405989f02df28b13987 /linux-user/elfload.c | |
| parent | 8b5d487d4d35a1a18c3ac48f3dd367fb769592b2 (diff) | |
unicore32: necessary modifications for other files to support unicore32
Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'linux-user/elfload.c')
| -rw-r--r-- | linux-user/elfload.c | 74 |
1 files changed, 74 insertions, 0 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 |