|
From: | Philippe Mathieu-Daudé |
Subject: | Re: [Qemu-devel] [PATCH] mips: set CP0 Debug DExcCode for SDBBP instruction |
Date: | Wed, 3 May 2017 09:54:48 -0300 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0 |
On 05/02/2017 09:03 AM, Pavel Dovgalyuk wrote:
From: Pavel Dovgalyuk <address@hidden> This patch fixes setting DExcCode field of CP0 Debug register when SDBBP instruction is executed. According to EJTAG specification, this field must be set to the value 9 (Bp). Signed-off-by: Pavel Dovgalyuk <address@hidden>
Reviewed-by: Philippe Mathieu-Daudé <address@hidden>
--- target/mips/helper.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/target/mips/helper.c b/target/mips/helper.c index e359ca3b44..166f0d1243 100644 --- a/target/mips/helper.c +++ b/target/mips/helper.c @@ -627,6 +627,8 @@ void mips_cpu_do_interrupt(CPUState *cs) goto set_DEPC; case EXCP_DBp: env->CP0_Debug |= 1 << CP0DB_DBp; + /* Setup DExcCode - SDBBP instruction */ + env->CP0_Debug = (env->CP0_Debug & ~(0x1fULL << CP0DB_DEC)) | 9 << CP0DB_DEC; goto set_DEPC; case EXCP_DDBS: env->CP0_Debug |= 1 << CP0DB_DDBS;
[Prev in Thread] | Current Thread | [Next in Thread] |