--- linux-2.6.10/arch/arm/mm/alignment.c.broken 2005-02-11 20:57:58.353668651 +0100 +++ linux-2.6.10/arch/arm/mm/alignment.c 2005-02-11 20:58:02.141660877 +0100 @@ -130,6 +130,18 @@ #define TYPE_LDST 2 #define TYPE_DONE 3 +#ifdef __ARMEB__ +#define BE 1 +#define FIRST_BYTE_16 "mov %1, %1, ror #8\n" +#define FIRST_BYTE_32 "mov %1, %1, ror #24\n" +#define NEXT_BYTE "ror #24" +#else +#define BE 0 +#define FIRST_BYTE_16 +#define FIRST_BYTE_32 +#define NEXT_BYTE "lsr #8" +#endif + #define __get8_unaligned_check(ins,val,addr,err) \ __asm__( \ "1: "ins" %1, [%2], #1\n" \ @@ -149,9 +161,10 @@ #define __get16_unaligned_check(ins,val,addr) \ do { \ unsigned int err = 0, v, a = addr; \ - __get8_unaligned_check(ins,val,a,err); \ __get8_unaligned_check(ins,v,a,err); \ - val |= v << 8; \ + val = v << ((BE) ? 8 : 0); \ + __get8_unaligned_check(ins,v,a,err); \ + val |= v << ((BE) ? 0 : 8); \ if (err) \ goto fault; \ } while (0) @@ -165,13 +178,14 @@ #define __get32_unaligned_check(ins,val,addr) \ do { \ unsigned int err = 0, v, a = addr; \ - __get8_unaligned_check(ins,val,a,err); \ __get8_unaligned_check(ins,v,a,err); \ - val |= v << 8; \ + val = v << ((BE) ? 24 : 0); \ + __get8_unaligned_check(ins,v,a,err); \ + val |= v << ((BE) ? 16 : 8); \ __get8_unaligned_check(ins,v,a,err); \ - val |= v << 16; \ + val |= v << ((BE) ? 8 : 16); \ __get8_unaligned_check(ins,v,a,err); \ - val |= v << 24; \ + val |= v << ((BE) ? 0 : 24); \ if (err) \ goto fault; \ } while (0) @@ -185,9 +199,9 @@ #define __put16_unaligned_check(ins,val,addr) \ do { \ unsigned int err = 0, v = val, a = addr; \ - __asm__( \ + __asm__( FIRST_BYTE_16 \ "1: "ins" %1, [%2], #1\n" \ - " mov %1, %1, lsr #8\n" \ + " mov %1, %1, "NEXT_BYTE"\n" \ "2: "ins" %1, [%2]\n" \ "3:\n" \ " .section .fixup,\"ax\"\n" \ @@ -215,13 +229,13 @@ #define __put32_unaligned_check(ins,val,addr) \ do { \ unsigned int err = 0, v = val, a = addr; \ - __asm__( \ + __asm__( FIRST_BYTE_32 \ "1: "ins" %1, [%2], #1\n" \ - " mov %1, %1, lsr #8\n" \ + " mov %1, %1, "NEXT_BYTE"\n" \ "2: "ins" %1, [%2], #1\n" \ - " mov %1, %1, lsr #8\n" \ + " mov %1, %1, "NEXT_BYTE"\n" \ "3: "ins" %1, [%2], #1\n" \ - " mov %1, %1, lsr #8\n" \ + " mov %1, %1, "NEXT_BYTE"\n" \ "4: "ins" %1, [%2]\n" \ "5:\n" \ " .section .fixup,\"ax\"\n" \