Check in MSR if the SF bit is set (64bit mode is enabled)
Signed-off-by: Laurent Vivier <lvivier@xxxxxxxxxx>
---
powerpc/emulator.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/powerpc/emulator.c b/powerpc/emulator.c
index 1215c4f..b66c1d7 100644
--- a/powerpc/emulator.c
+++ b/powerpc/emulator.c
@@ -32,12 +32,26 @@ static void test_illegal(void)
report_prefix_pop();
}
+static void test_64bit(void)
+{
+ uint64_t msr;
+
+ report_prefix_push("64bit");
+
+ asm("mfmsr %[msr]": [msr] "=r" (msr));
+
+ report("detected", msr & 0x8000000000000000UL);
+
+ report_prefix_pop();
+}
+
int main(void)
{
handle_exception(0x700, program_check_handler, (void *)&is_invalid);
report_prefix_push("emulator");
+ test_64bit();
test_illegal();
report_prefix_pop();
--
2.5.0
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