diff options
Diffstat (limited to 'arch/powerpc/mm/hash_utils_64.c')
| -rw-r--r-- | arch/powerpc/mm/hash_utils_64.c | 44 |
1 files changed, 27 insertions, 17 deletions
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c index 58a022d0f46..d95d8f484d2 100644 --- a/arch/powerpc/mm/hash_utils_64.c +++ b/arch/powerpc/mm/hash_utils_64.c @@ -53,6 +53,7 @@ #include <asm/sections.h> #include <asm/spu.h> #include <asm/udbg.h> +#include <asm/code-patching.h> #ifdef DEBUG #define DBG(fmt...) udbg_printf(fmt) @@ -547,15 +548,7 @@ int remove_section_mapping(unsigned long start, unsigned long end) } #endif /* CONFIG_MEMORY_HOTPLUG */ -static inline void make_bl(unsigned int *insn_addr, void *func) -{ - unsigned long funcp = *((unsigned long *)func); - int offset = funcp - (unsigned long)insn_addr; - - *insn_addr = (unsigned int)(0x48000001 | (offset & 0x03fffffc)); - flush_icache_range((unsigned long)insn_addr, 4+ - (unsigned long)insn_addr); -} +#define FUNCTION_TEXT(A) ((*(unsigned long *)(A))) static void __init htab_finish_init(void) { @@ -570,16 +563,33 @@ static void __init htab_finish_init(void) extern unsigned int *ht64_call_hpte_remove; extern unsigned int *ht64_call_hpte_updatepp; - make_bl(ht64_call_hpte_insert1, ppc_md.hpte_insert); - make_bl(ht64_call_hpte_insert2, ppc_md.hpte_insert); - make_bl(ht64_call_hpte_remove, ppc_md.hpte_remove); - make_bl(ht64_call_hpte_updatepp, ppc_md.hpte_updatepp); + patch_branch(ht64_call_hpte_insert1, + FUNCTION_TEXT(ppc_md.hpte_insert), + BRANCH_SET_LINK); + patch_branch(ht64_call_hpte_insert2, + FUNCTION_TEXT(ppc_md.hpte_insert), + BRANCH_SET_LINK); + patch_branch(ht64_call_hpte_remove, + FUNCTION_TEXT(ppc_md.hpte_remove), + BRANCH_SET_LINK); + patch_branch(ht64_call_hpte_updatepp, + FUNCTION_TEXT(ppc_md.hpte_updatepp), + BRANCH_SET_LINK); + #endif /* CONFIG_PPC_HAS_HASH_64K */ - make_bl(htab_call_hpte_insert1, ppc_md.hpte_insert); - make_bl(htab_call_hpte_insert2, ppc_md.hpte_insert); - make_bl(htab_call_hpte_remove, ppc_md.hpte_remove); - make_bl(htab_call_hpte_updatepp, ppc_md.hpte_updatepp); + patch_branch(htab_call_hpte_insert1, + FUNCTION_TEXT(ppc_md.hpte_insert), + BRANCH_SET_LINK); + patch_branch(htab_call_hpte_insert2, + FUNCTION_TEXT(ppc_md.hpte_insert), + BRANCH_SET_LINK); + patch_branch(htab_call_hpte_remove, + FUNCTION_TEXT(ppc_md.hpte_remove), + BRANCH_SET_LINK); + patch_branch(htab_call_hpte_updatepp, + FUNCTION_TEXT(ppc_md.hpte_updatepp), + BRANCH_SET_LINK); } static void __init htab_initialize(void) |