mirrors-yuzu-emu/unicorn
1
0
Fork 0
mirror of https://github.com/yuzu-emu/unicorn synced 2024-11-25 22:37:50 +00:00
Code Issues Projects Releases Packages Wiki Activity

mips: set CP0 Debug DExcCode for SDBBP instruction

Browse source 
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).

Backports commit c6c2c0fc32362ba234ae3bdad1a55c2d6aefaa12 from qemu
This commit is contained in:
Pavel Dovgalyuk 2018-03-03 22:45:02 -05:00 committed by Lioncash
parent 0bd8dc4e0a
commit 342fa7135d
No known key found for this signature in database
GPG key ID: 4E3C3CC1031BA9C7
1 changed files with 2 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
qemu/target/mips/helper.c
View file

@ -617,6 +617,8 @@ void mips_cpu_do_interrupt(CPUState *cs)
goto set_DEPC; goto set_DEPC;
case EXCP_DBp: case EXCP_DBp:
env->CP0_Debug |= 1 << CP0DB_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; goto set_DEPC;
case EXCP_DDBS: case EXCP_DDBS:
env->CP0_Debug |= 1 << CP0DB_DDBS; env->CP0_Debug |= 1 << CP0DB_DDBS;