From 8b7fbd6c36b868ad16cb7065dbba93ac342479af Mon Sep 17 00:00:00 2001 From: Peter Maydell Date: Thu, 23 May 2019 14:47:43 +0100 Subject: [PATCH] hw/intc/arm_gicv3: Fix write of ICH_VMCR_EL2.{VBPR0, VBPR1} MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Reviewed-by: Philippe Mathieu-Daudé Message-id: 20190520162809.2677-4-peter.maydell@linaro.org --- hw/intc/arm_gicv3_cpuif.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/intc/arm_gicv3_cpuif.c b/hw/intc/arm_gicv3_cpuif.c index cbad6037f1..000bdbd624 100644 --- a/hw/intc/arm_gicv3_cpuif.c +++ b/hw/intc/arm_gicv3_cpuif.c @@ -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);