Emulators such as BDI2000 and CodeWarrior needs to have MSR_DE set in order to support break points. This adds MSR_DE for kernel space only. ---
I have tested this briefly with BDI2000 on P2010(e500) and it works for me. I don't know if there are any bad side effects, therfore this RFC. arch/powerpc/include/asm/reg.h | 2 +- arch/powerpc/include/asm/reg_booke.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h index 7fdc2c0..25c8554 100644 --- a/arch/powerpc/include/asm/reg.h +++ b/arch/powerpc/include/asm/reg.h @@ -108,7 +108,7 @@ #define MSR_USER64 MSR_USER32 | MSR_64BIT #elif defined(CONFIG_PPC_BOOK3S_32) || defined(CONFIG_8xx) /* Default MSR for kernel mode. */ -#define MSR_KERNEL (MSR_ME|MSR_RI|MSR_IR|MSR_DR) +#define MSR_KERNEL (MSR_ME|MSR_RI|MSR_IR|MSR_DR|MSR_DE) #define MSR_USER (MSR_KERNEL|MSR_PR|MSR_EE) #endif diff --git a/arch/powerpc/include/asm/reg_booke.h b/arch/powerpc/include/asm/reg_booke.h index 500fe1d..0cb259b 100644 --- a/arch/powerpc/include/asm/reg_booke.h +++ b/arch/powerpc/include/asm/reg_booke.h @@ -37,7 +37,7 @@ #define MSR_KERNEL (MSR_ME|MSR_RI|MSR_IR|MSR_DR|MSR_CE) #define MSR_USER (MSR_KERNEL|MSR_PR|MSR_EE) #else -#define MSR_KERNEL (MSR_ME|MSR_RI|MSR_CE) +#define MSR_KERNEL (MSR_ME|MSR_RI|MSR_CE|MSR_DE) #define MSR_USER (MSR_KERNEL|MSR_PR|MSR_EE) #endif -- 1.7.3.4 _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
