From 99033caee6e9b339c89a368b5ed1f73ef17924a9 Mon Sep 17 00:00:00 2001 From: Alexander Graf Date: Tue, 3 Sep 2013 20:12:21 +0100 Subject: 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 Signed-off-by: John Rigby Signed-off-by: Peter Maydell 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 --- linux-user/main.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'linux-user/main.c') diff --git a/linux-user/main.c b/linux-user/main.c index 88383053c8..01e3cd4cc1 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; -- cgit 1.4.1