diff options
Diffstat (limited to 'arch/sparc/lib')
| -rw-r--r-- | arch/sparc/lib/Makefile | 1 | ||||
| -rw-r--r-- | arch/sparc/lib/rwsem_32.S | 204 |
2 files changed, 0 insertions, 205 deletions
diff --git a/arch/sparc/lib/Makefile b/arch/sparc/lib/Makefile index 846d1c4374ea..7f01b8fce8bc 100644 --- a/arch/sparc/lib/Makefile +++ b/arch/sparc/lib/Makefile @@ -15,7 +15,6 @@ lib-$(CONFIG_SPARC32) += divdi3.o udivdi3.o lib-$(CONFIG_SPARC32) += copy_user.o locks.o lib-y += atomic_$(BITS).o lib-$(CONFIG_SPARC32) += lshrdi3.o ashldi3.o -lib-$(CONFIG_SPARC32) += rwsem_32.o lib-$(CONFIG_SPARC32) += muldi3.o bitext.o cmpdi2.o lib-$(CONFIG_SPARC64) += copy_page.o clear_page.o bzero.o diff --git a/arch/sparc/lib/rwsem_32.S b/arch/sparc/lib/rwsem_32.S deleted file mode 100644 index 9675268e7fde..000000000000 --- a/arch/sparc/lib/rwsem_32.S +++ /dev/null @@ -1,204 +0,0 @@ -/* - * Assembly part of rw semaphores. - * - * Copyright (C) 1999 Jakub Jelinek (jakub@redhat.com) - */ - -#include <asm/ptrace.h> -#include <asm/psr.h> - - .section .sched.text, "ax" - .align 4 - - .globl ___down_read -___down_read: - rd %psr, %g3 - nop - nop - nop - or %g3, PSR_PIL, %g7 - wr %g7, 0, %psr - nop - nop - nop -#ifdef CONFIG_SMP -1: ldstub [%g1 + 4], %g7 - tst %g7 - bne 1b - ld [%g1], %g7 - sub %g7, 1, %g7 - st %g7, [%g1] - stb %g0, [%g1 + 4] -#else - ld [%g1], %g7 - sub %g7, 1, %g7 - st %g7, [%g1] -#endif - wr %g3, 0, %psr - add %g7, 1, %g7 - nop - nop - subcc %g7, 1, %g7 - bneg 3f - nop -2: jmpl %o7, %g0 - mov %g4, %o7 -3: save %sp, -64, %sp - mov %g1, %l1 - mov %g4, %l4 - bcs 4f - mov %g5, %l5 - call down_read_failed - mov %l1, %o0 - mov %l1, %g1 - mov %l4, %g4 - ba ___down_read - restore %l5, %g0, %g5 -4: call down_read_failed_biased - mov %l1, %o0 - mov %l1, %g1 - mov %l4, %g4 - ba 2b - restore %l5, %g0, %g5 - - .globl ___down_write -___down_write: - rd %psr, %g3 - nop - nop - nop - or %g3, PSR_PIL, %g7 - wr %g7, 0, %psr - sethi %hi(0x01000000), %g2 - nop - nop -#ifdef CONFIG_SMP -1: ldstub [%g1 + 4], %g7 - tst %g7 - bne 1b - ld [%g1], %g7 - sub %g7, %g2, %g7 - st %g7, [%g1] - stb %g0, [%g1 + 4] -#else - ld [%g1], %g7 - sub %g7, %g2, %g7 - st %g7, [%g1] -#endif - wr %g3, 0, %psr - add %g7, %g2, %g7 - nop - nop - subcc %g7, %g2, %g7 - bne 3f - nop -2: jmpl %o7, %g0 - mov %g4, %o7 -3: save %sp, -64, %sp - mov %g1, %l1 - mov %g4, %l4 - bcs 4f - mov %g5, %l5 - call down_write_failed - mov %l1, %o0 - mov %l1, %g1 - mov %l4, %g4 - ba ___down_write - restore %l5, %g0, %g5 -4: call down_write_failed_biased - mov %l1, %o0 - mov %l1, %g1 - mov %l4, %g4 - ba 2b - restore %l5, %g0, %g5 - - .text - .globl ___up_read -___up_read: - rd %psr, %g3 - nop - nop - nop - or %g3, PSR_PIL, %g7 - wr %g7, 0, %psr - nop - nop - nop -#ifdef CONFIG_SMP -1: ldstub [%g1 + 4], %g7 - tst %g7 - bne 1b - ld [%g1], %g7 - add %g7, 1, %g7 - st %g7, [%g1] - stb %g0, [%g1 + 4] -#else - ld [%g1], %g7 - add %g7, 1, %g7 - st %g7, [%g1] -#endif - wr %g3, 0, %psr - nop - nop - nop - cmp %g7, 0 - be 3f - nop -2: jmpl %o7, %g0 - mov %g4, %o7 -3: save %sp, -64, %sp - mov %g1, %l1 - mov %g4, %l4 - mov %g5, %l5 - clr %o1 - call __rwsem_wake - mov %l1, %o0 - mov %l1, %g1 - mov %l4, %g4 - ba 2b - restore %l5, %g0, %g5 - - .globl ___up_write -___up_write: - rd %psr, %g3 - nop - nop - nop - or %g3, PSR_PIL, %g7 - wr %g7, 0, %psr - sethi %hi(0x01000000), %g2 - nop - nop -#ifdef CONFIG_SMP -1: ldstub [%g1 + 4], %g7 - tst %g7 - bne 1b - ld [%g1], %g7 - add %g7, %g2, %g7 - st %g7, [%g1] - stb %g0, [%g1 + 4] -#else - ld [%g1], %g7 - add %g7, %g2, %g7 - st %g7, [%g1] -#endif - wr %g3, 0, %psr - sub %g7, %g2, %g7 - nop - nop - addcc %g7, %g2, %g7 - bcs 3f - nop -2: jmpl %o7, %g0 - mov %g4, %o7 -3: save %sp, -64, %sp - mov %g1, %l1 - mov %g4, %l4 - mov %g5, %l5 - mov %g7, %o1 - call __rwsem_wake - mov %l1, %o0 - mov %l1, %g1 - mov %l4, %g4 - ba 2b - restore %l5, %g0, %g5 |