From: Maciej W. Rozycki Date: Thu, 30 Jun 2005 16:10:04 +0000 (+0000) Subject: Prevent 64-bit constants from being cropped to 32 bits when used in C code. X-Git-Tag: v2.6.15-rc1~731^2~1^2~168 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7d7ee221213609319401d1b9d6dc4bf22ab928ea;p=linux-2.6 Prevent 64-bit constants from being cropped to 32 bits when used in C code. Signed-off-by: Ralf Baechle --- diff --git a/include/asm-mips/addrspace.h b/include/asm-mips/addrspace.h index 7dc2619f50..c806eef41e 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 . */ -#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