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target-or32: Add linux user support

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Add QEMU OpenRISC linux user support.

Signed-off-by: Jia Liu <proljc@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Jia Liu
2012-07-20 15:50:52 +08:00
committed by Blue Swirl
parent a8720299f1
commit d962783e98
8 changed files with 422 additions and 4 deletions
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41
linux-user/elfload.c
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@@ -787,6 +787,47 @@ static void elf_core_copy_regs(target_elf_gregset_t *regs, const CPUMBState *env
#endif /* TARGET_MICROBLAZE */
#ifdef TARGET_OPENRISC
#define ELF_START_MMAP 0x08000000
#define elf_check_arch(x) ((x) == EM_OPENRISC)
#define ELF_ARCH EM_OPENRISC
#define ELF_CLASS ELFCLASS32
#define ELF_DATA ELFDATA2MSB
static inline void init_thread(struct target_pt_regs *regs,
struct image_info *infop)
{
regs->pc = infop->entry;
regs->gpr[1] = infop->start_stack;
}
#define USE_ELF_CORE_DUMP
#define ELF_EXEC_PAGESIZE 8192
/* See linux kernel arch/openrisc/include/asm/elf.h. */
#define ELF_NREG 34 /* gprs and pc, sr */
typedef target_elf_greg_t target_elf_gregset_t[ELF_NREG];
static void elf_core_copy_regs(target_elf_gregset_t *regs,
const CPUOpenRISCState *env)
{
int i;
for (i = 0; i < 32; i++) {
(*regs)[i] = tswapl(env->gpr[i]);
}
(*regs)[32] = tswapl(env->pc);
(*regs)[33] = tswapl(env->sr);
}
#define ELF_HWCAP 0
#define ELF_PLATFORM NULL
#endif /* TARGET_OPENRISC */
#ifdef TARGET_SH4
#define ELF_START_MMAP 0x80000000