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[PULL,16/30] linux-user: arm: set CPSR.E/SCTLR.E0E correctly for BE mode

Message ID 1457091713-10138-17-git-send-email-peter.maydell@linaro.org (mailing list archive)
State New, archived
Headers show

Commit Message

Peter Maydell March 4, 2016, 11:41 a.m. UTC 
From: Peter Crosthwaite <peter.crosthwaite@xilinx.com>

If doing big-endian linux-user mode, set both the CPSR.E and SCTLR.E0E
bits. This sets big-endian mode for data accesses.

Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 linux-user/main.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox

Patch

diff --git a/linux-user/main.c b/linux-user/main.c
index fe2a8dd..510b3b7 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -4453,7 +4453,8 @@  int main(int argc, char **argv, char **envp)
         /* Enable BE8.  */
         if (EF_ARM_EABI_VERSION(info->elf_flags) >= EF_ARM_EABI_VER4
             && (info->elf_flags & EF_ARM_BE8)) {
-            /* nothing for now, CPSR.E not emulated yet */
+            env->uncached_cpsr |= CPSR_E;
+            env->cp15.sctlr_el[1] |= SCTLR_E0E;
         } else {
             env->cp15.sctlr_el[1] |= SCTLR_B;
         }