From 671880e651e611ec32dbb978e61c0bd4bc3e180e Mon Sep 17 00:00:00 2001 From: ths Date: Sat, 29 Sep 2007 19:21:36 +0000 Subject: Supervisor mode implementation, by Aurelien Jarno. git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3267 c046a42c-6fe2-441c-8c8c-71466251a162 --- target-mips/exec.h | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) (limited to 'target-mips/exec.h') diff --git a/target-mips/exec.h b/target-mips/exec.h index 9ff3f08..b6300bd 100644 --- a/target-mips/exec.h +++ b/target-mips/exec.h @@ -261,16 +261,21 @@ static inline void compute_hflags(CPUState *env) MIPS_HFLAG_FPU | MIPS_HFLAG_UM); if (!(env->CP0_Status & (1 << CP0St_EXL)) && !(env->CP0_Status & (1 << CP0St_ERL)) && - !(env->hflags & MIPS_HFLAG_DM) && - (env->CP0_Status & (1 << CP0St_UM))) - env->hflags |= MIPS_HFLAG_UM; + !(env->hflags & MIPS_HFLAG_DM)) { + if (env->CP0_Status & (1 << CP0St_UM)) + env->hflags |= MIPS_HFLAG_UM; + if (env->CP0_Status & (1 << CP0St_R0)) + env->hflags |= MIPS_HFLAG_SM; + } #ifdef TARGET_MIPS64 if (!(env->hflags & MIPS_HFLAG_UM) || (env->CP0_Status & (1 << CP0St_PX)) || (env->CP0_Status & (1 << CP0St_UX))) env->hflags |= MIPS_HFLAG_64; #endif - if ((env->CP0_Status & (1 << CP0St_CU0)) || !(env->hflags & MIPS_HFLAG_UM)) + if ((env->CP0_Status & (1 << CP0St_CU0)) || + (!(env->hflags & MIPS_HFLAG_UM) && + !(env->hflags & MIPS_HFLAG_SM))) env->hflags |= MIPS_HFLAG_CP0; if (env->CP0_Status & (1 << CP0St_CU1)) env->hflags |= MIPS_HFLAG_FPU; -- cgit v1.1