summaryrefslogtreecommitdiffstats
path: root/include/asm-mips
diff options
context:
space:
mode:
authorMaciej W. Rozycki <macro@linux-mips.org>2005-06-30 18:10:04 +0200
committerRalf Baechle <ralf@linux-mips.org>2005-10-29 20:31:34 +0200
commit7d7ee221213609319401d1b9d6dc4bf22ab928ea (patch)
tree6e56cdfb5a09584eb01d0c1f74c4f48fc0f50701 /include/asm-mips
parentAvoid tlbw* hazards for the R4600/R4700/R5000. (diff)
downloadlinux-7d7ee221213609319401d1b9d6dc4bf22ab928ea.tar.xz
linux-7d7ee221213609319401d1b9d6dc4bf22ab928ea.zip
Prevent 64-bit constants from being cropped to 32 bits when used in C code.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'include/asm-mips')
-rw-r--r--include/asm-mips/addrspace.h80
1 files changed, 42 insertions, 38 deletions
diff --git a/include/asm-mips/addrspace.h b/include/asm-mips/addrspace.h
index 7dc2619f5006..c806eef41e7f 100644
--- a/include/asm-mips/addrspace.h
+++ b/include/asm-mips/addrspace.h
@@ -20,10 +20,12 @@
#define _ATYPE_
#define _ATYPE32_
#define _ATYPE64_
+#define _LLCONST_(x) x
#else
#define _ATYPE_ __PTRDIFF_TYPE__
#define _ATYPE32_ int
#define _ATYPE64_ long long
+#define _LLCONST_(x) x ## LL
#endif
/*
@@ -45,8 +47,9 @@
/*
* Returns the physical address of a CKSEGx / XKPHYS address
*/
-#define CPHYSADDR(a) ((_ACAST32_ (a)) & 0x1fffffff)
-#define XPHYSADDR(a) ((_ACAST64_ (a)) & 0x000000ffffffffff)
+#define CPHYSADDR(a) ((_ACAST32_(a)) & 0x1fffffff)
+#define XPHYSADDR(a) ((_ACAST64_(a)) & \
+ _LLCONST_(0x000000ffffffffff))
#ifdef CONFIG_64BIT
@@ -55,14 +58,14 @@
* The compatibility segments use the full 64-bit sign extended value. Note
* the R8000 doesn't have them so don't reference these in generic MIPS code.
*/
-#define XKUSEG 0x0000000000000000
-#define XKSSEG 0x4000000000000000
-#define XKPHYS 0x8000000000000000
-#define XKSEG 0xc000000000000000
-#define CKSEG0 0xffffffff80000000
-#define CKSEG1 0xffffffffa0000000
-#define CKSSEG 0xffffffffc0000000
-#define CKSEG3 0xffffffffe0000000
+#define XKUSEG _LLCONST_(0x0000000000000000)
+#define XKSSEG _LLCONST_(0x4000000000000000)
+#define XKPHYS _LLCONST_(0x8000000000000000)
+#define XKSEG _LLCONST_(0xc000000000000000)
+#define CKSEG0 _LLCONST_(0xffffffff80000000)
+#define CKSEG1 _LLCONST_(0xffffffffa0000000)
+#define CKSSEG _LLCONST_(0xffffffffc0000000)
+#define CKSEG3 _LLCONST_(0xffffffffe0000000)
#define CKSEG0ADDR(a) (CPHYSADDR(a) | CKSEG0)
#define CKSEG1ADDR(a) (CPHYSADDR(a) | CKSEG1)
@@ -120,7 +123,8 @@
#define PHYS_TO_XKSEG_UNCACHED(p) PHYS_TO_XKPHYS(K_CALG_UNCACHED,(p))
#define PHYS_TO_XKSEG_CACHED(p) PHYS_TO_XKPHYS(K_CALG_COH_SHAREABLE,(p))
#define XKPHYS_TO_PHYS(p) ((p) & TO_PHYS_MASK)
-#define PHYS_TO_XKPHYS(cm,a) (0x8000000000000000 | ((cm)<<59) | (a))
+#define PHYS_TO_XKPHYS(cm,a) (_LLCONST_(0x8000000000000000) | \
+ ((cm)<<59) | (a))
#if defined (CONFIG_CPU_R4300) \
|| defined (CONFIG_CPU_R4X00) \
@@ -128,46 +132,46 @@
|| defined (CONFIG_CPU_NEVADA) \
|| defined (CONFIG_CPU_TX49XX) \
|| defined (CONFIG_CPU_MIPS64)
-#define KUSIZE 0x0000010000000000 /* 2^^40 */
-#define KUSIZE_64 0x0000010000000000 /* 2^^40 */
-#define K0SIZE 0x0000001000000000 /* 2^^36 */
-#define K1SIZE 0x0000001000000000 /* 2^^36 */
-#define K2SIZE 0x000000ff80000000
-#define KSEGSIZE 0x000000ff80000000 /* max syssegsz */
-#define TO_PHYS_MASK 0x0000000fffffffff /* 2^^36 - 1 */
+#define KUSIZE _LLCONST_(0x0000010000000000) /* 2^^40 */
+#define KUSIZE_64 _LLCONST_(0x0000010000000000) /* 2^^40 */
+#define K0SIZE _LLCONST_(0x0000001000000000) /* 2^^36 */
+#define K1SIZE _LLCONST_(0x0000001000000000) /* 2^^36 */
+#define K2SIZE _LLCONST_(0x000000ff80000000)
+#define KSEGSIZE _LLCONST_(0x000000ff80000000) /* max syssegsz */
+#define TO_PHYS_MASK _LLCONST_(0x0000000fffffffff) /* 2^^36 - 1 */
#endif
#if defined (CONFIG_CPU_R8000)
/* We keep KUSIZE consistent with R4000 for now (2^^40) instead of (2^^48) */
-#define KUSIZE 0x0000010000000000 /* 2^^40 */
-#define KUSIZE_64 0x0000010000000000 /* 2^^40 */
-#define K0SIZE 0x0000010000000000 /* 2^^40 */
-#define K1SIZE 0x0000010000000000 /* 2^^40 */
-#define K2SIZE 0x0001000000000000
-#define KSEGSIZE 0x0000010000000000 /* max syssegsz */
-#define TO_PHYS_MASK 0x000000ffffffffff /* 2^^40 - 1 */
+#define KUSIZE _LLCONST_(0x0000010000000000) /* 2^^40 */
+#define KUSIZE_64 _LLCONST_(0x0000010000000000) /* 2^^40 */
+#define K0SIZE _LLCONST_(0x0000010000000000) /* 2^^40 */
+#define K1SIZE _LLCONST_(0x0000010000000000) /* 2^^40 */
+#define K2SIZE _LLCONST_(0x0001000000000000)
+#define KSEGSIZE _LLCONST_(0x0000010000000000) /* max syssegsz */
+#define TO_PHYS_MASK _LLCONST_(0x000000ffffffffff) /* 2^^40 - 1 */
#endif
#if defined (CONFIG_CPU_R10000)
-#define KUSIZE 0x0000010000000000 /* 2^^40 */
-#define KUSIZE_64 0x0000010000000000 /* 2^^40 */
-#define K0SIZE 0x0000010000000000 /* 2^^40 */
-#define K1SIZE 0x0000010000000000 /* 2^^40 */
-#define K2SIZE 0x00000fff80000000
-#define KSEGSIZE 0x00000fff80000000 /* max syssegsz */
-#define TO_PHYS_MASK 0x000000ffffffffff /* 2^^40 - 1 */
+#define KUSIZE _LLCONST_(0x0000010000000000) /* 2^^40 */
+#define KUSIZE_64 _LLCONST_(0x0000010000000000) /* 2^^40 */
+#define K0SIZE _LLCONST_(0x0000010000000000) /* 2^^40 */
+#define K1SIZE _LLCONST_(0x0000010000000000) /* 2^^40 */
+#define K2SIZE _LLCONST_(0x00000fff80000000)
+#define KSEGSIZE _LLCONST_(0x00000fff80000000) /* max syssegsz */
+#define TO_PHYS_MASK _LLCONST_(0x000000ffffffffff) /* 2^^40 - 1 */
#endif
/*
* Further names for SGI source compatibility. These are stolen from
* IRIX's <sys/mips_addrspace.h>.
*/
-#define KUBASE 0
-#define KUSIZE_32 0x0000000080000000 /* KUSIZE
+#define KUBASE _LLCONST_(0)
+#define KUSIZE_32 _LLCONST_(0x0000000080000000) /* KUSIZE
for a 32 bit proc */
-#define K0BASE_EXL_WR 0xa800000000000000 /* exclusive on write */
-#define K0BASE_NONCOH 0x9800000000000000 /* noncoherent */
-#define K0BASE_EXL 0xa000000000000000 /* exclusive */
+#define K0BASE_EXL_WR _LLCONST_(0xa800000000000000) /* exclusive on write */
+#define K0BASE_NONCOH _LLCONST_(0x9800000000000000) /* noncoherent */
+#define K0BASE_EXL _LLCONST_(0xa000000000000000) /* exclusive */
#ifndef CONFIG_CPU_R8000
@@ -176,7 +180,7 @@
* in order to catch bugs in the source code.
*/
-#define COMPAT_K1BASE32 0xffffffffa0000000
+#define COMPAT_K1BASE32 _LLCONST_(0xffffffffa0000000)
#define PHYS_TO_COMPATK1(x) ((x) | COMPAT_K1BASE32) /* 32-bit compat k1 */
#endif