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hw/intc/arm_gicv3: Fix write of ICH_VMCR_EL2.{VBPR0, VBPR1} 

In ich_vmcr_write() we enforce "writes of BPR fields to less than
their minimum sets them to the minimum" by doing a "read vbpr and
write it back" operation.  A typo here meant that we weren't handling
writes to these fields correctly, because we were reading from VBPR0
but writing to VBPR1.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20190520162809.2677-4-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2019-05-23 14:47:43 +01:00
parent 12ec8bd51e
commit 8b7fbd6c36
1 changed files with 1 additions and 1 deletions
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2
hw/intc/arm_gicv3_cpuif.c
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@ -2366,7 +2366,7 @@ static void ich_vmcr_write(CPUARMState *env, const ARMCPRegInfo *ri,
/* Enforce "writing BPRs to less than minimum sets them to the minimum"
* by reading and writing back the fields.
*/
write_vbpr(cs, GICV3_G1, read_vbpr(cs, GICV3_G0));
write_vbpr(cs, GICV3_G0, read_vbpr(cs, GICV3_G0));
write_vbpr(cs, GICV3_G1, read_vbpr(cs, GICV3_G1));
gicv3_cpuif_virt_update(cs);