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head/sys/powerpc/booke/booke_machdep.c
| Show First 20 Lines • Show All 216 Lines • ▼ Show 20 Lines | booke_cpu_init(void) | ||||
| psl_kernset = PSL_CE | PSL_ME | PSL_EE; | psl_kernset = PSL_CE | PSL_ME | PSL_EE; | ||||
| #ifdef __powerpc64__ | #ifdef __powerpc64__ | ||||
| psl_kernset |= PSL_CM; | psl_kernset |= PSL_CM; | ||||
| #endif | #endif | ||||
| psl_userset = psl_kernset | PSL_PR; | psl_userset = psl_kernset | PSL_PR; | ||||
| #ifdef __powerpc64__ | #ifdef __powerpc64__ | ||||
| psl_userset32 = psl_userset & ~PSL_CM; | psl_userset32 = psl_userset & ~PSL_CM; | ||||
| #endif | #endif | ||||
| /* | |||||
| * Zeroed bits in this variable signify that the value of the bit | |||||
| * in its position is allowed to vary between userspace contexts. | |||||
| * | |||||
| * All other bits are required to be identical for every userspace | |||||
| * context. The actual *value* of the bit is determined by | |||||
| * psl_userset and/or psl_userset32, and is not allowed to change. | |||||
| * | |||||
| * Remember to update this set when implementing support for | |||||
| * *conditionally* enabling a processor facility. Failing to do | |||||
| * this will cause swapcontext() in userspace to break when a | |||||
| * process uses a conditionally-enabled facility. | |||||
| * | |||||
| * When *unconditionally* implementing support for a processor | |||||
| * facility, update psl_userset / psl_userset32 instead. | |||||
| * | |||||
| * See the access control check in set_mcontext(). | |||||
| */ | |||||
| psl_userstatic = ~(PSL_VEC | PSL_FP | PSL_FE0 | PSL_FE1); | psl_userstatic = ~(PSL_VEC | PSL_FP | PSL_FE0 | PSL_FE1); | ||||
| pmap_mmu_install(MMU_TYPE_BOOKE, BUS_PROBE_GENERIC); | pmap_mmu_install(MMU_TYPE_BOOKE, BUS_PROBE_GENERIC); | ||||
| } | } | ||||
| void | void | ||||
| ivor_setup(void) | ivor_setup(void) | ||||
| { | { | ||||
| ▲ Show 20 Lines • Show All 223 Lines • Show Last 20 Lines | |||||