target-alpha: Implement cpu_alpha_handle_mmu_fault for system mode.
Reads the page table how PALcode would, except that the virtual
page table base register is not used.
Signed-off-by: Richard Henderson <rth@twiddle.net>
diff --git a/target-alpha/cpu.h b/target-alpha/cpu.h
index a1f92ab..030ed17 100644
--- a/target-alpha/cpu.h
+++ b/target-alpha/cpu.h
@@ -320,6 +320,19 @@
#define CPU_INTERRUPT_SMP CPU_INTERRUPT_TGT_EXT_1
#define CPU_INTERRUPT_MCHK CPU_INTERRUPT_TGT_EXT_2
+/* OSF/1 Page table bits. */
+enum {
+ PTE_VALID = 0x0001,
+ PTE_FOR = 0x0002, /* used for page protection (fault on read) */
+ PTE_FOW = 0x0004, /* used for page protection (fault on write) */
+ PTE_FOE = 0x0008, /* used for page protection (fault on exec) */
+ PTE_ASM = 0x0010,
+ PTE_KRE = 0x0100,
+ PTE_URE = 0x0200,
+ PTE_KWE = 0x1000,
+ PTE_UWE = 0x2000
+};
+
/* Hardware interrupt (entInt) constants. */
enum {
INT_K_IP,
