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| author | Alexander Graf <agraf@suse.de> | 2013-09-03 20:12:21 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2013-09-10 19:11:29 +0100 |
| commit | 99033caee6e9b339c89a368b5ed1f73ef17924a9 (patch) | |
| tree | 8f812663873b2a463a9a4ebe64c1fb08ca038054 /linux-user/elfload.c | |
| parent | 4a24a758101ff726c9bd3b867e12d5580c793af0 (diff) | |
| download | focaccia-qemu-99033caee6e9b339c89a368b5ed1f73ef17924a9.tar.gz focaccia-qemu-99033caee6e9b339c89a368b5ed1f73ef17924a9.zip | |
linux-user: Add AArch64 support
This patch adds support for AArch64 in all the small corners of linux-user (primarily in image loading and startup code). Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: John Rigby <john.rigby@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1378235544-22290-22-git-send-email-peter.maydell@linaro.org Message-id: 1368505980-17151-11-git-send-email-john.rigby@linaro.org [PMM: * removed some unnecessary #defines from syscall.h * catch attempts to use a 32 bit only cpu with aarch64-linux-user * termios stuff moved into its own patch * we specify our minimum uname version here now ] Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'linux-user/elfload.c')
| -rw-r--r-- | linux-user/elfload.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/linux-user/elfload.c b/linux-user/elfload.c index 72d92707c6..8dd424dadd 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -269,16 +269,26 @@ static void elf_core_copy_regs(target_elf_gregset_t *regs, const CPUX86State *en #define ELF_START_MMAP 0x80000000 -#define elf_check_arch(x) ( (x) == EM_ARM ) +#define elf_check_arch(x) ((x) == ELF_MACHINE) +#define ELF_ARCH ELF_MACHINE + +#ifdef TARGET_AARCH64 +#define ELF_CLASS ELFCLASS64 +#else #define ELF_CLASS ELFCLASS32 -#define ELF_ARCH EM_ARM +#endif 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)); + +#ifdef TARGET_AARCH64 + regs->pc = infop->entry & ~0x3ULL; + regs->sp = stack; +#else regs->ARM_cpsr = 0x10; if (infop->entry & 1) regs->ARM_cpsr |= CPSR_T; @@ -292,6 +302,7 @@ static inline void init_thread(struct target_pt_regs *regs, /* For uClinux PIC binaries. */ /* XXX: Linux does this only on ARM with no MMU (do we care ?) */ regs->ARM_r10 = infop->start_data; +#endif } #define ELF_NREG 18 |