diff options
3 files changed, 519 insertions, 0 deletions
diff --git a/target/linux/generic-2.6/patches-2.6.28/022-mips_div64_gcc4.4.0.patch b/target/linux/generic-2.6/patches-2.6.28/022-mips_div64_gcc4.4.0.patch new file mode 100644 index 000000000..a116cf437 --- /dev/null +++ b/target/linux/generic-2.6/patches-2.6.28/022-mips_div64_gcc4.4.0.patch @@ -0,0 +1,173 @@ +From: Ralf Baechle <ralf@linux-mips.org> +Date: Thu, 30 Apr 2009 16:14:56 +0000 (+0200) +Subject: MIPS: Rewrite <asm/div64.h> to work with gcc 4.4.0. +X-Git-Url: http://www.linux-mips.org/git?p=linux.git;a=commitdiff_plain;h=a1b68289997030df64cba8478d5767fe10e42a58 + +MIPS: Rewrite <asm/div64.h> to work with gcc 4.4.0. + +The inline assembler used on 32-bit kernels was using the "h" constraint +which was considered dangerous and removed for gcc 4.4.0. + +Signed-off-by: Ralf Baechle <ralf@linux-mips.org> +--- + +diff --git a/arch/mips/include/asm/div64.h b/arch/mips/include/asm/div64.h +index d1d6991..dc5ea57 100644 +--- a/arch/mips/include/asm/div64.h ++++ b/arch/mips/include/asm/div64.h +@@ -6,105 +6,63 @@ + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +-#ifndef _ASM_DIV64_H +-#define _ASM_DIV64_H ++#ifndef __ASM_DIV64_H ++#define __ASM_DIV64_H + +-#include <linux/types.h> ++#include <asm-generic/div64.h> + +-#if (_MIPS_SZLONG == 32) ++#if BITS_PER_LONG == 64 + +-#include <asm/compiler.h> ++#include <linux/types.h> + + /* + * No traps on overflows for any of these... + */ + +-#define do_div64_32(res, high, low, base) ({ \ +- unsigned long __quot32, __mod32; \ +- unsigned long __cf, __tmp, __tmp2, __i; \ +- \ +- __asm__(".set push\n\t" \ +- ".set noat\n\t" \ +- ".set noreorder\n\t" \ +- "move %2, $0\n\t" \ +- "move %3, $0\n\t" \ +- "b 1f\n\t" \ +- " li %4, 0x21\n" \ +- "0:\n\t" \ +- "sll $1, %0, 0x1\n\t" \ +- "srl %3, %0, 0x1f\n\t" \ +- "or %0, $1, %5\n\t" \ +- "sll %1, %1, 0x1\n\t" \ +- "sll %2, %2, 0x1\n" \ +- "1:\n\t" \ +- "bnez %3, 2f\n\t" \ +- " sltu %5, %0, %z6\n\t" \ +- "bnez %5, 3f\n" \ +- "2:\n\t" \ +- " addiu %4, %4, -1\n\t" \ +- "subu %0, %0, %z6\n\t" \ +- "addiu %2, %2, 1\n" \ +- "3:\n\t" \ +- "bnez %4, 0b\n\t" \ +- " srl %5, %1, 0x1f\n\t" \ +- ".set pop" \ +- : "=&r" (__mod32), "=&r" (__tmp), \ +- "=&r" (__quot32), "=&r" (__cf), \ +- "=&r" (__i), "=&r" (__tmp2) \ +- : "Jr" (base), "0" (high), "1" (low)); \ +- \ +- (res) = __quot32; \ +- __mod32; }) +- +-#define do_div(n, base) ({ \ +- unsigned long long __quot; \ +- unsigned long __mod; \ +- unsigned long long __div; \ +- unsigned long __upper, __low, __high, __base; \ +- \ +- __div = (n); \ +- __base = (base); \ +- \ +- __high = __div >> 32; \ +- __low = __div; \ +- __upper = __high; \ +- \ +- if (__high) \ +- __asm__("divu $0, %z2, %z3" \ +- : "=h" (__upper), "=l" (__high) \ +- : "Jr" (__high), "Jr" (__base) \ +- : GCC_REG_ACCUM); \ +- \ +- __mod = do_div64_32(__low, __upper, __low, __base); \ +- \ +- __quot = __high; \ +- __quot = __quot << 32 | __low; \ +- (n) = __quot; \ +- __mod; }) +- +-#endif /* (_MIPS_SZLONG == 32) */ +- +-#if (_MIPS_SZLONG == 64) +- +-/* +- * Hey, we're already 64-bit, no +- * need to play games.. +- */ +-#define do_div(n, base) ({ \ +- unsigned long __quot; \ +- unsigned int __mod; \ +- unsigned long __div; \ +- unsigned int __base; \ +- \ +- __div = (n); \ +- __base = (base); \ +- \ +- __mod = __div % __base; \ +- __quot = __div / __base; \ +- \ +- (n) = __quot; \ +- __mod; }) ++#define __div64_32(n, base) \ ++({ \ ++ unsigned long __cf, __tmp, __tmp2, __i; \ ++ unsigned long __quot32, __mod32; \ ++ unsigned long __high, __low; \ ++ unsigned long long __n; \ ++ \ ++ __high = *__n >> 32; \ ++ __low = __n; \ ++ __asm__( \ ++ " .set push \n" \ ++ " .set noat \n" \ ++ " .set noreorder \n" \ ++ " move %2, $0 \n" \ ++ " move %3, $0 \n" \ ++ " b 1f \n" \ ++ " li %4, 0x21 \n" \ ++ "0: \n" \ ++ " sll $1, %0, 0x1 \n" \ ++ " srl %3, %0, 0x1f \n" \ ++ " or %0, $1, %5 \n" \ ++ " sll %1, %1, 0x1 \n" \ ++ " sll %2, %2, 0x1 \n" \ ++ "1: \n" \ ++ " bnez %3, 2f \n" \ ++ " sltu %5, %0, %z6 \n" \ ++ " bnez %5, 3f \n" \ ++ "2: \n" \ ++ " addiu %4, %4, -1 \n" \ ++ " subu %0, %0, %z6 \n" \ ++ " addiu %2, %2, 1 \n" \ ++ "3: \n" \ ++ " bnez %4, 0b\n\t" \ ++ " srl %5, %1, 0x1f\n\t" \ ++ " .set pop" \ ++ : "=&r" (__mod32), "=&r" (__tmp), \ ++ "=&r" (__quot32), "=&r" (__cf), \ ++ "=&r" (__i), "=&r" (__tmp2) \ ++ : "Jr" (base), "0" (__high), "1" (__low)); \ ++ \ ++ (__n) = __quot32; \ ++ __mod32; \ ++}) + +-#endif /* (_MIPS_SZLONG == 64) */ ++#endif /* BITS_PER_LONG == 64 */ + +-#endif /* _ASM_DIV64_H */ ++#endif /* __ASM_DIV64_H */ diff --git a/target/linux/generic-2.6/patches-2.6.29/022-mips_div64_gcc4.4.0.patch b/target/linux/generic-2.6/patches-2.6.29/022-mips_div64_gcc4.4.0.patch new file mode 100644 index 000000000..a116cf437 --- /dev/null +++ b/target/linux/generic-2.6/patches-2.6.29/022-mips_div64_gcc4.4.0.patch @@ -0,0 +1,173 @@ +From: Ralf Baechle <ralf@linux-mips.org> +Date: Thu, 30 Apr 2009 16:14:56 +0000 (+0200) +Subject: MIPS: Rewrite <asm/div64.h> to work with gcc 4.4.0. +X-Git-Url: http://www.linux-mips.org/git?p=linux.git;a=commitdiff_plain;h=a1b68289997030df64cba8478d5767fe10e42a58 + +MIPS: Rewrite <asm/div64.h> to work with gcc 4.4.0. + +The inline assembler used on 32-bit kernels was using the "h" constraint +which was considered dangerous and removed for gcc 4.4.0. + +Signed-off-by: Ralf Baechle <ralf@linux-mips.org> +--- + +diff --git a/arch/mips/include/asm/div64.h b/arch/mips/include/asm/div64.h +index d1d6991..dc5ea57 100644 +--- a/arch/mips/include/asm/div64.h ++++ b/arch/mips/include/asm/div64.h +@@ -6,105 +6,63 @@ + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +-#ifndef _ASM_DIV64_H +-#define _ASM_DIV64_H ++#ifndef __ASM_DIV64_H ++#define __ASM_DIV64_H + +-#include <linux/types.h> ++#include <asm-generic/div64.h> + +-#if (_MIPS_SZLONG == 32) ++#if BITS_PER_LONG == 64 + +-#include <asm/compiler.h> ++#include <linux/types.h> + + /* + * No traps on overflows for any of these... + */ + +-#define do_div64_32(res, high, low, base) ({ \ +- unsigned long __quot32, __mod32; \ +- unsigned long __cf, __tmp, __tmp2, __i; \ +- \ +- __asm__(".set push\n\t" \ +- ".set noat\n\t" \ +- ".set noreorder\n\t" \ +- "move %2, $0\n\t" \ +- "move %3, $0\n\t" \ +- "b 1f\n\t" \ +- " li %4, 0x21\n" \ +- "0:\n\t" \ +- "sll $1, %0, 0x1\n\t" \ +- "srl %3, %0, 0x1f\n\t" \ +- "or %0, $1, %5\n\t" \ +- "sll %1, %1, 0x1\n\t" \ +- "sll %2, %2, 0x1\n" \ +- "1:\n\t" \ +- "bnez %3, 2f\n\t" \ +- " sltu %5, %0, %z6\n\t" \ +- "bnez %5, 3f\n" \ +- "2:\n\t" \ +- " addiu %4, %4, -1\n\t" \ +- "subu %0, %0, %z6\n\t" \ +- "addiu %2, %2, 1\n" \ +- "3:\n\t" \ +- "bnez %4, 0b\n\t" \ +- " srl %5, %1, 0x1f\n\t" \ +- ".set pop" \ +- : "=&r" (__mod32), "=&r" (__tmp), \ +- "=&r" (__quot32), "=&r" (__cf), \ +- "=&r" (__i), "=&r" (__tmp2) \ +- : "Jr" (base), "0" (high), "1" (low)); \ +- \ +- (res) = __quot32; \ +- __mod32; }) +- +-#define do_div(n, base) ({ \ +- unsigned long long __quot; \ +- unsigned long __mod; \ +- unsigned long long __div; \ +- unsigned long __upper, __low, __high, __base; \ +- \ +- __div = (n); \ +- __base = (base); \ +- \ +- __high = __div >> 32; \ +- __low = __div; \ +- __upper = __high; \ +- \ +- if (__high) \ +- __asm__("divu $0, %z2, %z3" \ +- : "=h" (__upper), "=l" (__high) \ +- : "Jr" (__high), "Jr" (__base) \ +- : GCC_REG_ACCUM); \ +- \ +- __mod = do_div64_32(__low, __upper, __low, __base); \ +- \ +- __quot = __high; \ +- __quot = __quot << 32 | __low; \ +- (n) = __quot; \ +- __mod; }) +- +-#endif /* (_MIPS_SZLONG == 32) */ +- +-#if (_MIPS_SZLONG == 64) +- +-/* +- * Hey, we're already 64-bit, no +- * need to play games.. +- */ +-#define do_div(n, base) ({ \ +- unsigned long __quot; \ +- unsigned int __mod; \ +- unsigned long __div; \ +- unsigned int __base; \ +- \ +- __div = (n); \ +- __base = (base); \ +- \ +- __mod = __div % __base; \ +- __quot = __div / __base; \ +- \ +- (n) = __quot; \ +- __mod; }) ++#define __div64_32(n, base) \ ++({ \ ++ unsigned long __cf, __tmp, __tmp2, __i; \ ++ unsigned long __quot32, __mod32; \ ++ unsigned long __high, __low; \ ++ unsigned long long __n; \ ++ \ ++ __high = *__n >> 32; \ ++ __low = __n; \ ++ __asm__( \ ++ " .set push \n" \ ++ " .set noat \n" \ ++ " .set noreorder \n" \ ++ " move %2, $0 \n" \ ++ " move %3, $0 \n" \ ++ " b 1f \n" \ ++ " li %4, 0x21 \n" \ ++ "0: \n" \ ++ " sll $1, %0, 0x1 \n" \ ++ " srl %3, %0, 0x1f \n" \ ++ " or %0, $1, %5 \n" \ ++ " sll %1, %1, 0x1 \n" \ ++ " sll %2, %2, 0x1 \n" \ ++ "1: \n" \ ++ " bnez %3, 2f \n" \ ++ " sltu %5, %0, %z6 \n" \ ++ " bnez %5, 3f \n" \ ++ "2: \n" \ ++ " addiu %4, %4, -1 \n" \ ++ " subu %0, %0, %z6 \n" \ ++ " addiu %2, %2, 1 \n" \ ++ "3: \n" \ ++ " bnez %4, 0b\n\t" \ ++ " srl %5, %1, 0x1f\n\t" \ ++ " .set pop" \ ++ : "=&r" (__mod32), "=&r" (__tmp), \ ++ "=&r" (__quot32), "=&r" (__cf), \ ++ "=&r" (__i), "=&r" (__tmp2) \ ++ : "Jr" (base), "0" (__high), "1" (__low)); \ ++ \ ++ (__n) = __quot32; \ ++ __mod32; \ ++}) + +-#endif /* (_MIPS_SZLONG == 64) */ ++#endif /* BITS_PER_LONG == 64 */ + +-#endif /* _ASM_DIV64_H */ ++#endif /* __ASM_DIV64_H */ diff --git a/target/linux/generic-2.6/patches-2.6.30/022-mips_div64_gcc4.4.0.patch b/target/linux/generic-2.6/patches-2.6.30/022-mips_div64_gcc4.4.0.patch new file mode 100644 index 000000000..a116cf437 --- /dev/null +++ b/target/linux/generic-2.6/patches-2.6.30/022-mips_div64_gcc4.4.0.patch @@ -0,0 +1,173 @@ +From: Ralf Baechle <ralf@linux-mips.org> +Date: Thu, 30 Apr 2009 16:14:56 +0000 (+0200) +Subject: MIPS: Rewrite <asm/div64.h> to work with gcc 4.4.0. +X-Git-Url: http://www.linux-mips.org/git?p=linux.git;a=commitdiff_plain;h=a1b68289997030df64cba8478d5767fe10e42a58 + +MIPS: Rewrite <asm/div64.h> to work with gcc 4.4.0. + +The inline assembler used on 32-bit kernels was using the "h" constraint +which was considered dangerous and removed for gcc 4.4.0. + +Signed-off-by: Ralf Baechle <ralf@linux-mips.org> +--- + +diff --git a/arch/mips/include/asm/div64.h b/arch/mips/include/asm/div64.h +index d1d6991..dc5ea57 100644 +--- a/arch/mips/include/asm/div64.h ++++ b/arch/mips/include/asm/div64.h +@@ -6,105 +6,63 @@ + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +-#ifndef _ASM_DIV64_H +-#define _ASM_DIV64_H ++#ifndef __ASM_DIV64_H ++#define __ASM_DIV64_H + +-#include <linux/types.h> ++#include <asm-generic/div64.h> + +-#if (_MIPS_SZLONG == 32) ++#if BITS_PER_LONG == 64 + +-#include <asm/compiler.h> ++#include <linux/types.h> + + /* + * No traps on overflows for any of these... + */ + +-#define do_div64_32(res, high, low, base) ({ \ +- unsigned long __quot32, __mod32; \ +- unsigned long __cf, __tmp, __tmp2, __i; \ +- \ +- __asm__(".set push\n\t" \ +- ".set noat\n\t" \ +- ".set noreorder\n\t" \ +- "move %2, $0\n\t" \ +- "move %3, $0\n\t" \ +- "b 1f\n\t" \ +- " li %4, 0x21\n" \ +- "0:\n\t" \ +- "sll $1, %0, 0x1\n\t" \ +- "srl %3, %0, 0x1f\n\t" \ +- "or %0, $1, %5\n\t" \ +- "sll %1, %1, 0x1\n\t" \ +- "sll %2, %2, 0x1\n" \ +- "1:\n\t" \ +- "bnez %3, 2f\n\t" \ +- " sltu %5, %0, %z6\n\t" \ +- "bnez %5, 3f\n" \ +- "2:\n\t" \ +- " addiu %4, %4, -1\n\t" \ +- "subu %0, %0, %z6\n\t" \ +- "addiu %2, %2, 1\n" \ +- "3:\n\t" \ +- "bnez %4, 0b\n\t" \ +- " srl %5, %1, 0x1f\n\t" \ +- ".set pop" \ +- : "=&r" (__mod32), "=&r" (__tmp), \ +- "=&r" (__quot32), "=&r" (__cf), \ +- "=&r" (__i), "=&r" (__tmp2) \ +- : "Jr" (base), "0" (high), "1" (low)); \ +- \ +- (res) = __quot32; \ +- __mod32; }) +- +-#define do_div(n, base) ({ \ +- unsigned long long __quot; \ +- unsigned long __mod; \ +- unsigned long long __div; \ +- unsigned long __upper, __low, __high, __base; \ +- \ +- __div = (n); \ +- __base = (base); \ +- \ +- __high = __div >> 32; \ +- __low = __div; \ +- __upper = __high; \ +- \ +- if (__high) \ +- __asm__("divu $0, %z2, %z3" \ +- : "=h" (__upper), "=l" (__high) \ +- : "Jr" (__high), "Jr" (__base) \ +- : GCC_REG_ACCUM); \ +- \ +- __mod = do_div64_32(__low, __upper, __low, __base); \ +- \ +- __quot = __high; \ +- __quot = __quot << 32 | __low; \ +- (n) = __quot; \ +- __mod; }) +- +-#endif /* (_MIPS_SZLONG == 32) */ +- +-#if (_MIPS_SZLONG == 64) +- +-/* +- * Hey, we're already 64-bit, no +- * need to play games.. +- */ +-#define do_div(n, base) ({ \ +- unsigned long __quot; \ +- unsigned int __mod; \ +- unsigned long __div; \ +- unsigned int __base; \ +- \ +- __div = (n); \ +- __base = (base); \ +- \ +- __mod = __div % __base; \ +- __quot = __div / __base; \ +- \ +- (n) = __quot; \ +- __mod; }) ++#define __div64_32(n, base) \ ++({ \ ++ unsigned long __cf, __tmp, __tmp2, __i; \ ++ unsigned long __quot32, __mod32; \ ++ unsigned long __high, __low; \ ++ unsigned long long __n; \ ++ \ ++ __high = *__n >> 32; \ ++ __low = __n; \ ++ __asm__( \ ++ " .set push \n" \ ++ " .set noat \n" \ ++ " .set noreorder \n" \ ++ " move %2, $0 \n" \ ++ " move %3, $0 \n" \ ++ " b 1f \n" \ ++ " li %4, 0x21 \n" \ ++ "0: \n" \ ++ " sll $1, %0, 0x1 \n" \ ++ " srl %3, %0, 0x1f \n" \ ++ " or %0, $1, %5 \n" \ ++ " sll %1, %1, 0x1 \n" \ ++ " sll %2, %2, 0x1 \n" \ ++ "1: \n" \ ++ " bnez %3, 2f \n" \ ++ " sltu %5, %0, %z6 \n" \ ++ " bnez %5, 3f \n" \ ++ "2: \n" \ ++ " addiu %4, %4, -1 \n" \ ++ " subu %0, %0, %z6 \n" \ ++ " addiu %2, %2, 1 \n" \ ++ "3: \n" \ ++ " bnez %4, 0b\n\t" \ ++ " srl %5, %1, 0x1f\n\t" \ ++ " .set pop" \ ++ : "=&r" (__mod32), "=&r" (__tmp), \ ++ "=&r" (__quot32), "=&r" (__cf), \ ++ "=&r" (__i), "=&r" (__tmp2) \ ++ : "Jr" (base), "0" (__high), "1" (__low)); \ ++ \ ++ (__n) = __quot32; \ ++ __mod32; \ ++}) + +-#endif /* (_MIPS_SZLONG == 64) */ ++#endif /* BITS_PER_LONG == 64 */ + +-#endif /* _ASM_DIV64_H */ ++#endif /* __ASM_DIV64_H */ |