[MIPS64] libc/libm support
libc/libm support for MIPS64 targets
Change-Id: I8271941d418612a286be55495f0e95822f90004f
Signed-off-by: Chris Dearman <chris.dearman@imgtec.com>
Signed-off-by: Raghu Gandham <raghu.gandham@imgtec.com>
diff --git a/libc/arch-mips64/bionic/futex_mips.S b/libc/arch-mips64/bionic/futex_mips.S
new file mode 100644
index 0000000..1a249a7
--- /dev/null
+++ b/libc/arch-mips64/bionic/futex_mips.S
@@ -0,0 +1,145 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <machine/asm.h>
+#include <private/bionic_asm.h>
+
+#define FUTEX_WAIT 0
+#define FUTEX_WAKE 1
+
+#if (_MIPS_SIM == _ABIO32) || (_MIPS_SIM == _ABI32)
+FRAMESZ = MKFSIZ(NARGSAVE+2,0)
+FRAME_A4 = 4*REGSZ
+FRAME_A5 = 5*REGSZ
+#else
+FRAMESZ = 0
+#endif
+
+// int __futex_wait(volatile void* ftx, int val, const struct timespec* timeout)
+LEAF(__futex_wait, FRAMESZ)
+#if (_MIPS_SIM == _ABIO32) || (_MIPS_SIM == _ABI32)
+ PTR_SUBU sp, FRAMESZ
+ REG_S $0,FRAME_A5(sp) /* val3 */
+ REG_S $0,FRAME_A4(sp) /* addr2 */
+#else
+ move a5,$0 /* val3 */
+ move a4,$0 /* addr2 */
+#endif
+ move a3,a2 /* timespec */
+ move a2,a1 /* val */
+ LI a1,FUTEX_WAIT /* op */
+# move a0,a0 /* ftx */
+ LI v0,__NR_futex
+ syscall
+ neg v0 /* Negate errno */
+ bnez a3,1f /* Check for error */
+ move v0,$0 /* Return 0 if no error */
+1:
+#if (_MIPS_SIM == _ABIO32) || (_MIPS_SIM == _ABI32)
+ PTR_ADDU sp,FRAMESZ
+#endif
+ j ra
+ END(__futex_wait)
+
+// int __futex_wake(volatile void* ftx, int count)
+LEAF(__futex_wake,FRAMESZ)
+#if (_MIPS_SIM == _ABIO32) || (_MIPS_SIM == _ABI32)
+ PTR_SUBU sp, FRAMESZ
+ REG_S $0,FRAME_A5(sp) /* val3 */
+ REG_S $0,FRAME_A4(sp) /* addr2 */
+#else
+ move a5,$0 /* val3 */
+ move a4,$0 /* addr2 */
+#endif
+ move a3,$0 /* timespec */
+ move a2,a1 /* val */
+ LI a1,FUTEX_WAKE /* op */
+# move a0,a0 /* ftx */
+ LI v0,__NR_futex
+ syscall
+ neg v0 /* Negate errno */
+ bnez a3,1f /* Check for error */
+ move v0,$0 /* Return 0 if no error */
+1:
+#if (_MIPS_SIM == _ABIO32) || (_MIPS_SIM == _ABI32)
+ PTR_ADDU sp,FRAMESZ
+#endif
+ j ra
+ END(__futex_wake)
+
+// int __futex_syscall3(volatile void* ftx, int op, int count)
+LEAF(__futex_syscall3,FRAMESZ)
+#if (_MIPS_SIM == _ABIO32) || (_MIPS_SIM == _ABI32)
+ PTR_SUBU sp, FRAMESZ
+ REG_S $0,FRAME_A5(sp) /* val3 */
+ REG_S $0,FRAME_A4(sp) /* addr2 */
+#else
+ move a5,$0 /* val3 */
+ move a4,$0 /* addr2 */
+#endif
+ move a3,$0 /* timespec */
+# move a2,a2 /* val */
+# move a1,a1 /* op */
+# move a0,a0 /* ftx */
+ LI v0,__NR_futex
+ syscall
+ neg v0 /* Negate errno */
+ bnez a3,1f /* Check for error */
+ move v0,$0 /* Return 0 if no error */
+1:
+#if (_MIPS_SIM == _ABIO32) || (_MIPS_SIM == _ABI32)
+ PTR_ADDU sp,FRAMESZ
+#endif
+ j ra
+ END(__futex_syscall3)
+
+// int __futex_syscall4(volatile void* ftx, int op, int val, const struct timespec* timeout)
+LEAF(__futex_syscall4,FRAMESZ)
+#if (_MIPS_SIM == _ABIO32) || (_MIPS_SIM == _ABI32)
+ PTR_SUBU sp, FRAMESZ
+ REG_S $0,FRAME_A5(sp) /* val3 */
+ REG_S $0,FRAME_A4(sp) /* addr2 */
+#else
+ move a5,$0 /* val3 */
+ move a4,$0 /* addr2 */
+#endif
+# move a3,a3 /* timespec */
+# move a2,a2 /* val */
+# move a1,a1 /* op */
+# move a0,a0 /* ftx */
+ LI v0,__NR_futex
+ syscall
+ neg v0 /* Negate errno */
+ bnez a3,1f /* Check for error */
+ move v0,$0 /* Return 0 if no error */
+1:
+#if (_MIPS_SIM == _ABIO32) || (_MIPS_SIM == _ABI32)
+ PTR_ADDU sp,FRAMESZ
+#endif
+ j ra
+ END(__futex_syscall4)