Eric Lee / smarc-ti-linux-kernel

Download as
Browse Code ยป

Commit 1827237065815373421c087c84d2a779d61c13d3

Authored by Daniel Hellstrom
Committed by David S. Miller
1 parent eb485d6414
Exists in master and in 20 other branches dlt-processor-sdk-linux-03.00.00.04, newt-ti-linux-3.12.y, processor-sdk-linux-01.00.00, processor-sdk-linux-02.00.01, smarc-ti-linux-3.12.10, smarc-ti-linux-3.12.y, smarc-ti-linux-3.14.y, smarc-ti-linux-3.15.y, smarc-ti-lsk-linux-4.1.y, smarct3x-processor-sdk-04.01.00.06, smarct3x-processor-sdk-linux-02.00.01, smarct3x-processor-sdk-linux-03.00.00.04, smarct4x-800-processor-sdk-linux-02.00.01, smarct4x-processor-sdk-04.01.00.06, smarct4x-processor-sdk-linux-02.00.01, smarct4x-processor-sdk-linux-03.00.00.04, ti-linux-3.12.y, ti-linux-3.14.y, ti-linux-3.15.y, ti-lsk-linux-4.1.y

sparc32: removed unused code, implemented by generic code 

Signed-off-by: Daniel Hellstrom <daniel@gaisler.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Showing 2 changed files with 0 additions and 205 deletions Side-by-side Diff

arch/sparc/lib/Makefile
Diff comments   View file @ 1827237
... ... @@ -15,7 +15,6 @@
15 15 lib-$(CONFIG_SPARC32) += copy_user.o locks.o
16 16 lib-y += atomic_$(BITS).o
17 17 lib-$(CONFIG_SPARC32) += lshrdi3.o ashldi3.o
18   -lib-$(CONFIG_SPARC32) += rwsem_32.o
19 18 lib-$(CONFIG_SPARC32) += muldi3.o bitext.o cmpdi2.o
20 19  
21 20 lib-$(CONFIG_SPARC64) += copy_page.o clear_page.o bzero.o
arch/sparc/lib/rwsem_32.S
View file @ 1827237
1   -/*
2   - * Assembly part of rw semaphores.
3   - *
4   - * Copyright (C) 1999 Jakub Jelinek (jakub@redhat.com)
5   - */
6   -
7   -#include <asm/ptrace.h>
8   -#include <asm/psr.h>
9   -
10   - .section .sched.text, "ax"
11   - .align 4
12   -
13   - .globl ___down_read
14   -___down_read:
15   - rd %psr, %g3
16   - nop
17   - nop
18   - nop
19   - or %g3, PSR_PIL, %g7
20   - wr %g7, 0, %psr
21   - nop
22   - nop
23   - nop
24   -#ifdef CONFIG_SMP
25   -1: ldstub [%g1 + 4], %g7
26   - tst %g7
27   - bne 1b
28   - ld [%g1], %g7
29   - sub %g7, 1, %g7
30   - st %g7, [%g1]
31   - stb %g0, [%g1 + 4]
32   -#else
33   - ld [%g1], %g7
34   - sub %g7, 1, %g7
35   - st %g7, [%g1]
36   -#endif
37   - wr %g3, 0, %psr
38   - add %g7, 1, %g7
39   - nop
40   - nop
41   - subcc %g7, 1, %g7
42   - bneg 3f
43   - nop
44   -2: jmpl %o7, %g0
45   - mov %g4, %o7
46   -3: save %sp, -64, %sp
47   - mov %g1, %l1
48   - mov %g4, %l4
49   - bcs 4f
50   - mov %g5, %l5
51   - call down_read_failed
52   - mov %l1, %o0
53   - mov %l1, %g1
54   - mov %l4, %g4
55   - ba ___down_read
56   - restore %l5, %g0, %g5
57   -4: call down_read_failed_biased
58   - mov %l1, %o0
59   - mov %l1, %g1
60   - mov %l4, %g4
61   - ba 2b
62   - restore %l5, %g0, %g5
63   -
64   - .globl ___down_write
65   -___down_write:
66   - rd %psr, %g3
67   - nop
68   - nop
69   - nop
70   - or %g3, PSR_PIL, %g7
71   - wr %g7, 0, %psr
72   - sethi %hi(0x01000000), %g2
73   - nop
74   - nop
75   -#ifdef CONFIG_SMP
76   -1: ldstub [%g1 + 4], %g7
77   - tst %g7
78   - bne 1b
79   - ld [%g1], %g7
80   - sub %g7, %g2, %g7
81   - st %g7, [%g1]
82   - stb %g0, [%g1 + 4]
83   -#else
84   - ld [%g1], %g7
85   - sub %g7, %g2, %g7
86   - st %g7, [%g1]
87   -#endif
88   - wr %g3, 0, %psr
89   - add %g7, %g2, %g7
90   - nop
91   - nop
92   - subcc %g7, %g2, %g7
93   - bne 3f
94   - nop
95   -2: jmpl %o7, %g0
96   - mov %g4, %o7
97   -3: save %sp, -64, %sp
98   - mov %g1, %l1
99   - mov %g4, %l4
100   - bcs 4f
101   - mov %g5, %l5
102   - call down_write_failed
103   - mov %l1, %o0
104   - mov %l1, %g1
105   - mov %l4, %g4
106   - ba ___down_write
107   - restore %l5, %g0, %g5
108   -4: call down_write_failed_biased
109   - mov %l1, %o0
110   - mov %l1, %g1
111   - mov %l4, %g4
112   - ba 2b
113   - restore %l5, %g0, %g5
114   -
115   - .text
116   - .globl ___up_read
117   -___up_read:
118   - rd %psr, %g3
119   - nop
120   - nop
121   - nop
122   - or %g3, PSR_PIL, %g7
123   - wr %g7, 0, %psr
124   - nop
125   - nop
126   - nop
127   -#ifdef CONFIG_SMP
128   -1: ldstub [%g1 + 4], %g7
129   - tst %g7
130   - bne 1b
131   - ld [%g1], %g7
132   - add %g7, 1, %g7
133   - st %g7, [%g1]
134   - stb %g0, [%g1 + 4]
135   -#else
136   - ld [%g1], %g7
137   - add %g7, 1, %g7
138   - st %g7, [%g1]
139   -#endif
140   - wr %g3, 0, %psr
141   - nop
142   - nop
143   - nop
144   - cmp %g7, 0
145   - be 3f
146   - nop
147   -2: jmpl %o7, %g0
148   - mov %g4, %o7
149   -3: save %sp, -64, %sp
150   - mov %g1, %l1
151   - mov %g4, %l4
152   - mov %g5, %l5
153   - clr %o1
154   - call __rwsem_wake
155   - mov %l1, %o0
156   - mov %l1, %g1
157   - mov %l4, %g4
158   - ba 2b
159   - restore %l5, %g0, %g5
160   -
161   - .globl ___up_write
162   -___up_write:
163   - rd %psr, %g3
164   - nop
165   - nop
166   - nop
167   - or %g3, PSR_PIL, %g7
168   - wr %g7, 0, %psr
169   - sethi %hi(0x01000000), %g2
170   - nop
171   - nop
172   -#ifdef CONFIG_SMP
173   -1: ldstub [%g1 + 4], %g7
174   - tst %g7
175   - bne 1b
176   - ld [%g1], %g7
177   - add %g7, %g2, %g7
178   - st %g7, [%g1]
179   - stb %g0, [%g1 + 4]
180   -#else
181   - ld [%g1], %g7
182   - add %g7, %g2, %g7
183   - st %g7, [%g1]
184   -#endif
185   - wr %g3, 0, %psr
186   - sub %g7, %g2, %g7
187   - nop
188   - nop
189   - addcc %g7, %g2, %g7
190   - bcs 3f
191   - nop
192   -2: jmpl %o7, %g0
193   - mov %g4, %o7
194   -3: save %sp, -64, %sp
195   - mov %g1, %l1
196   - mov %g4, %l4
197   - mov %g5, %l5
198   - mov %g7, %o1
199   - call __rwsem_wake
200   - mov %l1, %o0
201   - mov %l1, %g1
202   - mov %l4, %g4
203   - ba 2b
204   - restore %l5, %g0, %g5