patch-2.4.6 linux/include/asm-arm/proc-armv/system.h
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- Lines: 31
- Date:
Wed Jun 27 14:12:04 2001
- Orig file:
v2.4.5/linux/include/asm-arm/proc-armv/system.h
- Orig date:
Mon Nov 27 17:07:59 2000
diff -u --recursive --new-file v2.4.5/linux/include/asm-arm/proc-armv/system.h linux/include/asm-arm/proc-armv/system.h
@@ -17,8 +17,30 @@
"mcr p15, 0, %0, c1, c0 @ set CR" \
: : "r" (x))
+#define CR_M (1 << 0) /* MMU enable */
+#define CR_A (1 << 1) /* Alignment abort enable */
+#define CR_C (1 << 2) /* Dcache enable */
+#define CR_W (1 << 3) /* Write buffer enable */
+#define CR_P (1 << 4) /* 32-bit exception handler */
+#define CR_D (1 << 5) /* 32-bit data address range */
+#define CR_L (1 << 6) /* Implementation defined */
+#define CD_B (1 << 7) /* Big endian */
+#define CR_S (1 << 8) /* System MMU protection */
+#define CD_R (1 << 9) /* ROM MMU protection */
+#define CR_F (1 << 10) /* Implementation defined */
+#define CR_Z (1 << 11) /* Implementation defined */
+#define CR_I (1 << 12) /* Icache enable */
+#define CR_V (1 << 13) /* Vectors relocated to 0xffff0000 */
+#define CR_RR (1 << 14) /* Round Robin cache replacement */
+
extern unsigned long cr_no_alignment; /* defined in entry-armv.S */
extern unsigned long cr_alignment; /* defined in entry-armv.S */
+
+#ifdef __ARM_ARCH_4__
+#define vectors_base() ((cr_alignment & CR_V) ? 0xffff0000 : 0)
+#else
+#define vectors_base() (0)
+#endif
/*
* A couple of speedups for the ARM
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)