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ARM emulation support

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@244 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2003-06-15 20:05:50 +00:00
parent 5a9fdfec7e
commit b346ff468e
6 changed files with 231 additions and 30 deletions
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42
linux-user/elfload.c
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@ -38,6 +38,45 @@
A value of 0 tells we have no such handler. */
#define ELF_PLAT_INIT(_r) _r->edx = 0
static inline void init_thread(struct target_pt_regs *regs, struct image_info *infop)
{
regs->esp = infop->start_stack;
regs->eip = infop->entry;
}
#define USE_ELF_CORE_DUMP
#define ELF_EXEC_PAGESIZE 4096
#endif
#ifdef TARGET_ARM
#define ELF_START_MMAP 0x80000000
#define elf_check_arch(x) ( (x) == EM_ARM )
#define ELF_CLASS ELFCLASS32
#ifdef TARGET_WORDS_BIGENDIAN
#define ELF_DATA ELFDATA2MSB
#else
#define ELF_DATA ELFDATA2LSB
#endif
#define ELF_ARCH EM_ARM
#define ELF_PLAT_INIT(_r) _r->ARM_r0 = 0
static inline void init_thread(struct target_pt_regs *regs, struct image_info *infop)
{
target_long *stack = (void *)infop->start_stack;
memset(regs, 0, sizeof(*regs));
regs->ARM_cpsr = 0x10;
regs->ARM_pc = infop->entry;
regs->ARM_sp = infop->start_stack;
regs->ARM_r2 = tswapl(stack[2]); /* envp */
regs->ARM_r1 = tswapl(stack[1]); /* argv */
regs->ARM_r0 = tswapl(stack[0]); /* argc */
}
#define USE_ELF_CORE_DUMP
#define ELF_EXEC_PAGESIZE 4096
@ -1148,8 +1187,7 @@ int elf_exec(const char * filename, char ** argv, char ** envp,
}
if(retval>=0) {
/* success. Initialize important registers */
regs->esp = infop->start_stack;
regs->eip = infop->entry;
init_thread(regs, infop);
return retval;
}