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selftests/powerpc: Introduce GPR asm helper header file

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Signed-off-by: Cyril Bur <cyrilbur@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Cyril Bur 2016-09-23 16:18:16 +10:00 committed by Michael Ellerman
parent 2b4093790a
commit babcd9c4b3
1 changed files with 96 additions and 0 deletions
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96
tools/testing/selftests/powerpc/gpr_asm.h Normal file
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/*
* 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_GPR_ASM_H
#define _SELFTESTS_POWERPC_GPR_ASM_H
#include "basic_asm.h"
#define __PUSH_NVREGS(top_pos); \
std r31,(top_pos)(%r1); \
std r30,(top_pos - 8)(%r1); \
std r29,(top_pos - 16)(%r1); \
std r28,(top_pos - 24)(%r1); \
std r27,(top_pos - 32)(%r1); \
std r26,(top_pos - 40)(%r1); \
std r25,(top_pos - 48)(%r1); \
std r24,(top_pos - 56)(%r1); \
std r23,(top_pos - 64)(%r1); \
std r22,(top_pos - 72)(%r1); \
std r21,(top_pos - 80)(%r1); \
std r20,(top_pos - 88)(%r1); \
std r19,(top_pos - 96)(%r1); \
std r18,(top_pos - 104)(%r1); \
std r17,(top_pos - 112)(%r1); \
std r16,(top_pos - 120)(%r1); \
std r15,(top_pos - 128)(%r1); \
std r14,(top_pos - 136)(%r1)
#define __POP_NVREGS(top_pos); \
ld r31,(top_pos)(%r1); \
ld r30,(top_pos - 8)(%r1); \
ld r29,(top_pos - 16)(%r1); \
ld r28,(top_pos - 24)(%r1); \
ld r27,(top_pos - 32)(%r1); \
ld r26,(top_pos - 40)(%r1); \
ld r25,(top_pos - 48)(%r1); \
ld r24,(top_pos - 56)(%r1); \
ld r23,(top_pos - 64)(%r1); \
ld r22,(top_pos - 72)(%r1); \
ld r21,(top_pos - 80)(%r1); \
ld r20,(top_pos - 88)(%r1); \
ld r19,(top_pos - 96)(%r1); \
ld r18,(top_pos - 104)(%r1); \
ld r17,(top_pos - 112)(%r1); \
ld r16,(top_pos - 120)(%r1); \
ld r15,(top_pos - 128)(%r1); \
ld r14,(top_pos - 136)(%r1)
#define PUSH_NVREGS(stack_size) \
__PUSH_NVREGS(stack_size + STACK_FRAME_MIN_SIZE)
/* 18 NV FPU REGS */
#define PUSH_NVREGS_BELOW_FPU(stack_size) \
__PUSH_NVREGS(stack_size + STACK_FRAME_MIN_SIZE - (18 * 8))
#define POP_NVREGS(stack_size) \
__POP_NVREGS(stack_size + STACK_FRAME_MIN_SIZE)
/* 18 NV FPU REGS */
#define POP_NVREGS_BELOW_FPU(stack_size) \
__POP_NVREGS(stack_size + STACK_FRAME_MIN_SIZE - (18 * 8))
/*
* Careful calling this, it will 'clobber' NVGPRs (by design)
* Don't call this from C
*/
FUNC_START(load_gpr)
ld r14,0(r3)
ld r15,8(r3)
ld r16,16(r3)
ld r17,24(r3)
ld r18,32(r3)
ld r19,40(r3)
ld r20,48(r3)
ld r21,56(r3)
ld r22,64(r3)
ld r23,72(r3)
ld r24,80(r3)
ld r25,88(r3)
ld r26,96(r3)
ld r27,104(r3)
ld r28,112(r3)
ld r29,120(r3)
ld r30,128(r3)
ld r31,136(r3)
blr
FUNC_END(load_gpr)
#endif /* _SELFTESTS_POWERPC_GPR_ASM_H */