sparc32: introduce run-time patching of srmmu access functions
LEON uses a different ASI than SUN for MMUREGS
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Daniel Hellstrom <daniel@gaisler.com>
Cc: Konrad Eisele <konrad@gaisler.com>
diff --git a/arch/sparc/include/asm/pgtsrmmu.h b/arch/sparc/include/asm/pgtsrmmu.h
index 394fe25..72f7121 100644
--- a/arch/sparc/include/asm/pgtsrmmu.h
+++ b/arch/sparc/include/asm/pgtsrmmu.h
@@ -149,67 +149,13 @@
#define __nocache_fix(VADDR) __va(__nocache_pa(VADDR))
/* Accessing the MMU control register. */
-static inline unsigned int srmmu_get_mmureg(void)
-{
- unsigned int retval;
- __asm__ __volatile__("lda [%%g0] %1, %0\n\t" :
- "=r" (retval) :
- "i" (ASI_M_MMUREGS));
- return retval;
-}
-
-static inline void srmmu_set_mmureg(unsigned long regval)
-{
- __asm__ __volatile__("sta %0, [%%g0] %1\n\t" : :
- "r" (regval), "i" (ASI_M_MMUREGS) : "memory");
-
-}
-
-static inline void srmmu_set_ctable_ptr(unsigned long paddr)
-{
- paddr = ((paddr >> 4) & SRMMU_CTX_PMASK);
- __asm__ __volatile__("sta %0, [%1] %2\n\t" : :
- "r" (paddr), "r" (SRMMU_CTXTBL_PTR),
- "i" (ASI_M_MMUREGS) :
- "memory");
-}
-
-static inline void srmmu_set_context(int context)
-{
- __asm__ __volatile__("sta %0, [%1] %2\n\t" : :
- "r" (context), "r" (SRMMU_CTX_REG),
- "i" (ASI_M_MMUREGS) : "memory");
-}
-
-static inline int srmmu_get_context(void)
-{
- register int retval;
- __asm__ __volatile__("lda [%1] %2, %0\n\t" :
- "=r" (retval) :
- "r" (SRMMU_CTX_REG),
- "i" (ASI_M_MMUREGS));
- return retval;
-}
-
-static inline unsigned int srmmu_get_fstatus(void)
-{
- unsigned int retval;
-
- __asm__ __volatile__("lda [%1] %2, %0\n\t" :
- "=r" (retval) :
- "r" (SRMMU_FAULT_STATUS), "i" (ASI_M_MMUREGS));
- return retval;
-}
-
-static inline unsigned int srmmu_get_faddr(void)
-{
- unsigned int retval;
-
- __asm__ __volatile__("lda [%1] %2, %0\n\t" :
- "=r" (retval) :
- "r" (SRMMU_FAULT_ADDR), "i" (ASI_M_MMUREGS));
- return retval;
-}
+unsigned int srmmu_get_mmureg(void);
+void srmmu_set_mmureg(unsigned long regval);
+void srmmu_set_ctable_ptr(unsigned long paddr);
+void srmmu_set_context(int context);
+int srmmu_get_context(void);
+unsigned int srmmu_get_fstatus(void);
+unsigned int srmmu_get_faddr(void);
/* This is guaranteed on all SRMMU's. */
static inline void srmmu_flush_whole_tlb(void)