aboutsummaryrefslogtreecommitdiffstats
path: root/include/asm-frv/atomic.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-frv/atomic.h')
-rw-r--r--include/asm-frv/atomic.h81
1 files changed, 0 insertions, 81 deletions
diff --git a/include/asm-frv/atomic.h b/include/asm-frv/atomic.h
index 6ec494a5bc5a..46d696b331e7 100644
--- a/include/asm-frv/atomic.h
+++ b/include/asm-frv/atomic.h
@@ -125,87 +125,6 @@ static inline void atomic_dec(atomic_t *v)
125#define atomic_dec_and_test(v) (atomic_sub_return(1, (v)) == 0) 125#define atomic_dec_and_test(v) (atomic_sub_return(1, (v)) == 0)
126#define atomic_inc_and_test(v) (atomic_add_return(1, (v)) == 0) 126#define atomic_inc_and_test(v) (atomic_add_return(1, (v)) == 0)
127 127
128#ifndef CONFIG_FRV_OUTOFLINE_ATOMIC_OPS
129static inline
130unsigned long atomic_test_and_ANDNOT_mask(unsigned long mask, volatile unsigned long *v)
131{
132 unsigned long old, tmp;
133
134 asm volatile(
135 "0: \n"
136 " orcc gr0,gr0,gr0,icc3 \n" /* set ICC3.Z */
137 " ckeq icc3,cc7 \n"
138 " ld.p %M0,%1 \n" /* LD.P/ORCR are atomic */
139 " orcr cc7,cc7,cc3 \n" /* set CC3 to true */
140 " and%I3 %1,%3,%2 \n"
141 " cst.p %2,%M0 ,cc3,#1 \n" /* if store happens... */
142 " corcc gr29,gr29,gr0 ,cc3,#1 \n" /* ... clear ICC3.Z */
143 " beq icc3,#0,0b \n"
144 : "+U"(*v), "=&r"(old), "=r"(tmp)
145 : "NPr"(~mask)
146 : "memory", "cc7", "cc3", "icc3"
147 );
148
149 return old;
150}
151
152static inline
153unsigned long atomic_test_and_OR_mask(unsigned long mask, volatile unsigned long *v)
154{
155 unsigned long old, tmp;
156
157 asm volatile(
158 "0: \n"
159 " orcc gr0,gr0,gr0,icc3 \n" /* set ICC3.Z */
160 " ckeq icc3,cc7 \n"
161 " ld.p %M0,%1 \n" /* LD.P/ORCR are atomic */
162 " orcr cc7,cc7,cc3 \n" /* set CC3 to true */
163 " or%I3 %1,%3,%2 \n"
164 " cst.p %2,%M0 ,cc3,#1 \n" /* if store happens... */
165 " corcc gr29,gr29,gr0 ,cc3,#1 \n" /* ... clear ICC3.Z */
166 " beq icc3,#0,0b \n"
167 : "+U"(*v), "=&r"(old), "=r"(tmp)
168 : "NPr"(mask)
169 : "memory", "cc7", "cc3", "icc3"
170 );
171
172 return old;
173}
174
175static inline
176unsigned long atomic_test_and_XOR_mask(unsigned long mask, volatile unsigned long *v)
177{
178 unsigned long old, tmp;
179
180 asm volatile(
181 "0: \n"
182 " orcc gr0,gr0,gr0,icc3 \n" /* set ICC3.Z */
183 " ckeq icc3,cc7 \n"
184 " ld.p %M0,%1 \n" /* LD.P/ORCR are atomic */
185 " orcr cc7,cc7,cc3 \n" /* set CC3 to true */
186 " xor%I3 %1,%3,%2 \n"
187 " cst.p %2,%M0 ,cc3,#1 \n" /* if store happens... */
188 " corcc gr29,gr29,gr0 ,cc3,#1 \n" /* ... clear ICC3.Z */
189 " beq icc3,#0,0b \n"
190 : "+U"(*v), "=&r"(old), "=r"(tmp)
191 : "NPr"(mask)
192 : "memory", "cc7", "cc3", "icc3"
193 );
194
195 return old;
196}
197
198#else
199
200extern unsigned long atomic_test_and_ANDNOT_mask(unsigned long mask, volatile unsigned long *v);
201extern unsigned long atomic_test_and_OR_mask(unsigned long mask, volatile unsigned long *v);
202extern unsigned long atomic_test_and_XOR_mask(unsigned long mask, volatile unsigned long *v);
203
204#endif
205
206#define atomic_clear_mask(mask, v) atomic_test_and_ANDNOT_mask((mask), (v))
207#define atomic_set_mask(mask, v) atomic_test_and_OR_mask((mask), (v))
208
209/*****************************************************************************/ 128/*****************************************************************************/
210/* 129/*
211 * exchange value with memory 130 * exchange value with memory