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-rw-r--r--tools/testing/selftests/powerpc/fpu_asm.h80
1 files changed, 80 insertions, 0 deletions
diff --git a/tools/testing/selftests/powerpc/fpu_asm.h b/tools/testing/selftests/powerpc/fpu_asm.h
new file mode 100644
index 000000000000..6a387d255e27
--- /dev/null
+++ b/tools/testing/selftests/powerpc/fpu_asm.h
@@ -0,0 +1,80 @@
+/*
+ * Copyright 2016, Cyril Bur, IBM Corp.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#ifndef _SELFTESTS_POWERPC_FPU_ASM_H
+#define _SELFTESTS_POWERPC_FPU_ASM_H
+#include "basic_asm.h"
+
+#define PUSH_FPU(stack_size) \
+ stfd f31,(stack_size + STACK_FRAME_MIN_SIZE)(%r1); \
+ stfd f30,(stack_size + STACK_FRAME_MIN_SIZE - 8)(%r1); \
+ stfd f29,(stack_size + STACK_FRAME_MIN_SIZE - 16)(%r1); \
+ stfd f28,(stack_size + STACK_FRAME_MIN_SIZE - 24)(%r1); \
+ stfd f27,(stack_size + STACK_FRAME_MIN_SIZE - 32)(%r1); \
+ stfd f26,(stack_size + STACK_FRAME_MIN_SIZE - 40)(%r1); \
+ stfd f25,(stack_size + STACK_FRAME_MIN_SIZE - 48)(%r1); \
+ stfd f24,(stack_size + STACK_FRAME_MIN_SIZE - 56)(%r1); \
+ stfd f23,(stack_size + STACK_FRAME_MIN_SIZE - 64)(%r1); \
+ stfd f22,(stack_size + STACK_FRAME_MIN_SIZE - 72)(%r1); \
+ stfd f21,(stack_size + STACK_FRAME_MIN_SIZE - 80)(%r1); \
+ stfd f20,(stack_size + STACK_FRAME_MIN_SIZE - 88)(%r1); \
+ stfd f19,(stack_size + STACK_FRAME_MIN_SIZE - 96)(%r1); \
+ stfd f18,(stack_size + STACK_FRAME_MIN_SIZE - 104)(%r1); \
+ stfd f17,(stack_size + STACK_FRAME_MIN_SIZE - 112)(%r1); \
+ stfd f16,(stack_size + STACK_FRAME_MIN_SIZE - 120)(%r1); \
+ stfd f15,(stack_size + STACK_FRAME_MIN_SIZE - 128)(%r1); \
+ stfd f14,(stack_size + STACK_FRAME_MIN_SIZE - 136)(%r1);
+
+#define POP_FPU(stack_size) \
+ lfd f31,(stack_size + STACK_FRAME_MIN_SIZE)(%r1); \
+ lfd f30,(stack_size + STACK_FRAME_MIN_SIZE - 8)(%r1); \
+ lfd f29,(stack_size + STACK_FRAME_MIN_SIZE - 16)(%r1); \
+ lfd f28,(stack_size + STACK_FRAME_MIN_SIZE - 24)(%r1); \
+ lfd f27,(stack_size + STACK_FRAME_MIN_SIZE - 32)(%r1); \
+ lfd f26,(stack_size + STACK_FRAME_MIN_SIZE - 40)(%r1); \
+ lfd f25,(stack_size + STACK_FRAME_MIN_SIZE - 48)(%r1); \
+ lfd f24,(stack_size + STACK_FRAME_MIN_SIZE - 56)(%r1); \
+ lfd f23,(stack_size + STACK_FRAME_MIN_SIZE - 64)(%r1); \
+ lfd f22,(stack_size + STACK_FRAME_MIN_SIZE - 72)(%r1); \
+ lfd f21,(stack_size + STACK_FRAME_MIN_SIZE - 80)(%r1); \
+ lfd f20,(stack_size + STACK_FRAME_MIN_SIZE - 88)(%r1); \
+ lfd f19,(stack_size + STACK_FRAME_MIN_SIZE - 96)(%r1); \
+ lfd f18,(stack_size + STACK_FRAME_MIN_SIZE - 104)(%r1); \
+ lfd f17,(stack_size + STACK_FRAME_MIN_SIZE - 112)(%r1); \
+ lfd f16,(stack_size + STACK_FRAME_MIN_SIZE - 120)(%r1); \
+ lfd f15,(stack_size + STACK_FRAME_MIN_SIZE - 128)(%r1); \
+ lfd f14,(stack_size + STACK_FRAME_MIN_SIZE - 136)(%r1);
+
+/*
+ * Careful calling this, it will 'clobber' fpu (by design)
+ * Don't call this from C
+ */
+FUNC_START(load_fpu)
+ lfd f14,0(r3)
+ lfd f15,8(r3)
+ lfd f16,16(r3)
+ lfd f17,24(r3)
+ lfd f18,32(r3)
+ lfd f19,40(r3)
+ lfd f20,48(r3)
+ lfd f21,56(r3)
+ lfd f22,64(r3)
+ lfd f23,72(r3)
+ lfd f24,80(r3)
+ lfd f25,88(r3)
+ lfd f26,96(r3)
+ lfd f27,104(r3)
+ lfd f28,112(r3)
+ lfd f29,120(r3)
+ lfd f30,128(r3)
+ lfd f31,136(r3)
+ blr
+FUNC_END(load_fpu)
+
+#endif /* _SELFTESTS_POWERPC_FPU_ASM_H */