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authorAlexander Graf <agraf@suse.de>2013-09-03 20:12:21 +0100
committerPeter Maydell <peter.maydell@linaro.org>2013-09-10 19:11:29 +0100
commit99033caee6e9b339c89a368b5ed1f73ef17924a9 (patch)
tree8f812663873b2a463a9a4ebe64c1fb08ca038054 /linux-user/main.c
parent4a24a758101ff726c9bd3b867e12d5580c793af0 (diff)
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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/main.c')
-rw-r--r--linux-user/main.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/linux-user/main.c b/linux-user/main.c
index 8838305..01e3cd4 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -3968,6 +3968,22 @@ int main(int argc, char **argv, char **envp)
cpu_x86_load_seg(env, R_FS, 0);
cpu_x86_load_seg(env, R_GS, 0);
#endif
+#elif defined(TARGET_AARCH64)
+ {
+ int i;
+
+ if (!(arm_feature(env, ARM_FEATURE_AARCH64))) {
+ fprintf(stderr,
+ "The selected ARM CPU does not support 64 bit mode\n");
+ exit(1);
+ }
+
+ for (i = 0; i < 31; i++) {
+ env->xregs[i] = regs->regs[i];
+ }
+ env->pc = regs->pc;
+ env->xregs[31] = regs->sp;
+ }
#elif defined(TARGET_ARM)
{
int i;