From: Pavel Dovgalyuk <pavel.dovga...@ispras.ru> 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 <pavel.dovga...@ispras.ru> Message-id: 20170502120350.3368.92338.stgit@PASHA-ISP Reviewed-by: Aurelien Jarno <aurel...@aurel32.net> Reviewed-by: Philippe Mathieu-Daudé <f4...@amsat.org> Signed-off-by: Aurelien Jarno <aurel...@aurel32.net> --- 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; -- 2.11.0