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authorMichael Weiser <michael.weiser@gmx.de>2018-01-11 13:25:31 +0000
committerPeter Maydell <peter.maydell@linaro.org>2018-01-11 13:25:31 +0000
commitdfdcf34031db02eb8d81dd3b1c3415ec900c40bb (patch)
tree11a7d7aecbc2f14addb5124d1ea03e93d3129ce2 /linux-user
parent612061b277915fadd80631eb7a6926f48a110c44 (diff)
linux-user: Add support for big-endian aarch64
Enable big-endian mode for data accesses on aarch64 for big-endian linux user mode. Activate it for all exception levels as documented by ARM: Set the SCTLR EE bit for ELs 1 through 3. Additionally set bit E0E in EL1 to enable it in EL0 as well. Signed-off-by: Michael Weiser <michael.weiser@gmx.de> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20171220212308.12614-2-michael.weiser@gmx.de Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'linux-user')
-rw-r--r--linux-user/main.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/linux-user/main.c b/linux-user/main.c
index 99a551b04f..450eb3ce65 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -4629,6 +4629,12 @@ int main(int argc, char **argv, char **envp)
}
env->pc = regs->pc;
env->xregs[31] = regs->sp;
+#ifdef TARGET_WORDS_BIGENDIAN
+ env->cp15.sctlr_el[1] |= SCTLR_E0E;
+ for (i = 1; i < 4; ++i) {
+ env->cp15.sctlr_el[i] |= SCTLR_EE;
+ }
+#endif
}
#elif defined(TARGET_ARM)
{