diff options
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/include/asm/paca.h | 23 | ||||
| -rw-r--r-- | arch/powerpc/kernel/asm-offsets.c | 14 | ||||
| -rw-r--r-- | arch/powerpc/kernel/paca.c | 3 |
3 files changed, 37 insertions, 3 deletions
diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h index c8a3cbfe02ff..b634456ea893 100644 --- a/arch/powerpc/include/asm/paca.h +++ b/arch/powerpc/include/asm/paca.h @@ -14,9 +14,11 @@ #define _ASM_POWERPC_PACA_H #ifdef __KERNEL__ -#include <asm/types.h> -#include <asm/lppaca.h> -#include <asm/mmu.h> +#include <asm/types.h> +#include <asm/lppaca.h> +#include <asm/mmu.h> +#include <asm/page.h> +#include <asm/exception-64e.h> register struct paca_struct *local_paca asm("r13"); @@ -91,6 +93,21 @@ struct paca_struct { u16 slb_cache[SLB_CACHE_ENTRIES]; #endif /* CONFIG_PPC_STD_MMU_64 */ +#ifdef CONFIG_PPC_BOOK3E + pgd_t *pgd; /* Current PGD */ + pgd_t *kernel_pgd; /* Kernel PGD */ + u64 exgen[8] __attribute__((aligned(0x80))); + u64 extlb[EX_TLB_SIZE*3] __attribute__((aligned(0x80))); + u64 exmc[8]; /* used for machine checks */ + u64 excrit[8]; /* used for crit interrupts */ + u64 exdbg[8]; /* used for debug interrupts */ + + /* Kernel stack pointers for use by special exceptions */ + void *mc_kstack; + void *crit_kstack; + void *dbg_kstack; +#endif /* CONFIG_PPC_BOOK3E */ + mm_context_t context; /* diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c index 0a9f30b54952..b9e010d0fc91 100644 --- a/arch/powerpc/kernel/asm-offsets.c +++ b/arch/powerpc/kernel/asm-offsets.c @@ -140,6 +140,20 @@ int main(void) context.high_slices_psize)); DEFINE(MMUPSIZEDEFSIZE, sizeof(struct mmu_psize_def)); #endif /* CONFIG_PPC_MM_SLICES */ + +#ifdef CONFIG_PPC_BOOK3E + DEFINE(PACAPGD, offsetof(struct paca_struct, pgd)); + DEFINE(PACA_KERNELPGD, offsetof(struct paca_struct, kernel_pgd)); + DEFINE(PACA_EXGEN, offsetof(struct paca_struct, exgen)); + DEFINE(PACA_EXTLB, offsetof(struct paca_struct, extlb)); + DEFINE(PACA_EXMC, offsetof(struct paca_struct, exmc)); + DEFINE(PACA_EXCRIT, offsetof(struct paca_struct, excrit)); + DEFINE(PACA_EXDBG, offsetof(struct paca_struct, exdbg)); + DEFINE(PACA_MC_STACK, offsetof(struct paca_struct, mc_kstack)); + DEFINE(PACA_CRIT_STACK, offsetof(struct paca_struct, crit_kstack)); + DEFINE(PACA_DBG_STACK, offsetof(struct paca_struct, dbg_kstack)); +#endif /* CONFIG_PPC_BOOK3E */ + #ifdef CONFIG_PPC_STD_MMU_64 DEFINE(PACASTABREAL, offsetof(struct paca_struct, stab_real)); DEFINE(PACASTABVIRT, offsetof(struct paca_struct, stab_addr)); diff --git a/arch/powerpc/kernel/paca.c b/arch/powerpc/kernel/paca.c index e9962c7f8a09..d16b1ea55d44 100644 --- a/arch/powerpc/kernel/paca.c +++ b/arch/powerpc/kernel/paca.c @@ -13,6 +13,7 @@ #include <asm/lppaca.h> #include <asm/paca.h> #include <asm/sections.h> +#include <asm/pgtable.h> /* This symbol is provided by the linker - let it fill in the paca * field correctly */ @@ -87,6 +88,8 @@ void __init initialise_pacas(void) #ifdef CONFIG_PPC_BOOK3S new_paca->lppaca_ptr = &lppaca[cpu]; +#else + new_paca->kernel_pgd = swapper_pg_dir; #endif new_paca->lock_token = 0x8000; new_paca->paca_index = cpu; |