[Qemu-devel] [PATCH for-4.2 21/24] target/arm: Update arm_phys_excp_target_el for TGE

Richard Henderson posted 24 patches 6 years, 5 months ago
Maintainers: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, Eduardo Habkost <ehabkost@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>, Peter Maydell <peter.maydell@linaro.org>, Richard Henderson <rth@twiddle.net>
There is a newer version of this series
[Qemu-devel] [PATCH for-4.2 21/24] target/arm: Update arm_phys_excp_target_el for TGE
Posted by Richard Henderson 6 years, 5 months ago
The TGE bit routes all asynchronous exceptions to EL2.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/arm/helper.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/target/arm/helper.c b/target/arm/helper.c
index fe022f51d6..f06e7bcd77 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -7928,6 +7928,12 @@ uint32_t arm_phys_excp_target_el(CPUState *cs, uint32_t excp_idx,
         break;
     };
 
+    /*
+     * For these purposes, TGE and AMO/IMO/FMO both force the
+     * interrupt to EL2.  Fold TGE into the bit extracted above.
+     */
+    hcr |= (hcr_el2 & HCR_TGE) != 0;
+
     /* Perform a table-lookup for the target EL given the current state */
     target_el = target_el_table[is64][scr][rw][hcr][secure][cur_el];
 
-- 
2.17.1