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authorJan Kiszka2018-05-31 15:50:51 +0200
committerPeter Maydell2018-05-31 15:50:51 +0200
commit887aae10f6150dfdc71c45d7588e8efe6c144019 (patch)
tree76d9ed30e1af065d9df35cccb659b4e676997c12 /hw/intc/arm_gicv3_cpuif.c
parentMAINTAINERS: Add entries for newer MPS2 boards and devices (diff)
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hw/intc/arm_gicv3: Fix APxR<n> register dispatching
There was a nasty flip in identifying which register group an access is targeting. The issue caused spuriously raised priorities of the guest when handing CPUs over in the Jailhouse hypervisor. Cc: qemu-stable@nongnu.org Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Message-id: 28b927d3-da58-bce4-cc13-bfec7f9b1cb9@siemens.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/intc/arm_gicv3_cpuif.c')
-rw-r--r--hw/intc/arm_gicv3_cpuif.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/hw/intc/arm_gicv3_cpuif.c b/hw/intc/arm_gicv3_cpuif.c
index cb9a3a542d..5c89be1af0 100644
--- a/hw/intc/arm_gicv3_cpuif.c
+++ b/hw/intc/arm_gicv3_cpuif.c
@@ -427,7 +427,7 @@ static uint64_t icv_ap_read(CPUARMState *env, const ARMCPRegInfo *ri)
{
GICv3CPUState *cs = icc_cs_from_env(env);
int regno = ri->opc2 & 3;
- int grp = ri->crm & 1 ? GICV3_G0 : GICV3_G1NS;
+ int grp = (ri->crm & 1) ? GICV3_G1NS : GICV3_G0;
uint64_t value = cs->ich_apr[grp][regno];
trace_gicv3_icv_ap_read(ri->crm & 1, regno, gicv3_redist_affid(cs), value);
@@ -439,7 +439,7 @@ static void icv_ap_write(CPUARMState *env, const ARMCPRegInfo *ri,
{
GICv3CPUState *cs = icc_cs_from_env(env);
int regno = ri->opc2 & 3;
- int grp = ri->crm & 1 ? GICV3_G0 : GICV3_G1NS;
+ int grp = (ri->crm & 1) ? GICV3_G1NS : GICV3_G0;
trace_gicv3_icv_ap_write(ri->crm & 1, regno, gicv3_redist_affid(cs), value);
@@ -1461,7 +1461,7 @@ static uint64_t icc_ap_read(CPUARMState *env, const ARMCPRegInfo *ri)
uint64_t value;
int regno = ri->opc2 & 3;
- int grp = ri->crm & 1 ? GICV3_G0 : GICV3_G1;
+ int grp = (ri->crm & 1) ? GICV3_G1 : GICV3_G0;
if (icv_access(env, grp == GICV3_G0 ? HCR_FMO : HCR_IMO)) {
return icv_ap_read(env, ri);
@@ -1483,7 +1483,7 @@ static void icc_ap_write(CPUARMState *env, const ARMCPRegInfo *ri,
GICv3CPUState *cs = icc_cs_from_env(env);
int regno = ri->opc2 & 3;
- int grp = ri->crm & 1 ? GICV3_G0 : GICV3_G1;
+ int grp = (ri->crm & 1) ? GICV3_G1 : GICV3_G0;
if (icv_access(env, grp == GICV3_G0 ? HCR_FMO : HCR_IMO)) {
icv_ap_write(env, ri, value);
@@ -2292,7 +2292,7 @@ static uint64_t ich_ap_read(CPUARMState *env, const ARMCPRegInfo *ri)
{
GICv3CPUState *cs = icc_cs_from_env(env);
int regno = ri->opc2 & 3;
- int grp = ri->crm & 1 ? GICV3_G0 : GICV3_G1NS;
+ int grp = (ri->crm & 1) ? GICV3_G1NS : GICV3_G0;
uint64_t value;
value = cs->ich_apr[grp][regno];
@@ -2305,7 +2305,7 @@ static void ich_ap_write(CPUARMState *env, const ARMCPRegInfo *ri,
{
GICv3CPUState *cs = icc_cs_from_env(env);
int regno = ri->opc2 & 3;
- int grp = ri->crm & 1 ? GICV3_G0 : GICV3_G1NS;
+ int grp = (ri->crm & 1) ? GICV3_G1NS : GICV3_G0;
trace_gicv3_ich_ap_write(ri->crm & 1, regno, gicv3_redist_affid(cs), value);