124 lines
1.9 KiB
C
124 lines
1.9 KiB
C
/******************************************************************************
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* Copyright (c) 2004, 2008 IBM Corporation
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* All rights reserved.
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* This program and the accompanying materials
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* are made available under the terms of the BSD License
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* which accompanies this distribution, and is available at
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* http://www.opensource.org/licenses/bsd-license.php
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*
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* Contributors:
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* IBM Corporation - initial implementation
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*****************************************************************************/
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#include <cpu.h>
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#include <stdint.h>
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#include <hw.h>
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uint16_t
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bswap16_load(uint64_t addr)
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{
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unsigned int val;
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set_ci();
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asm volatile ("lhbrx %0, 0, %1":"=r" (val):"r"(addr));
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clr_ci();
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return val;
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}
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uint32_t
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bswap32_load(uint64_t addr)
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{
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unsigned int val;
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set_ci();
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asm volatile ("lwbrx %0, 0, %1":"=r" (val):"r"(addr));
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clr_ci();
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return val;
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}
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void
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bswap16_store(uint64_t addr, uint16_t val)
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{
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set_ci();
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asm volatile ("sthbrx %0, 0, %1"::"r" (val), "r"(addr));
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clr_ci();
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}
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void
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bswap32_store(uint64_t addr, uint32_t val)
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{
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set_ci();
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asm volatile ("stwbrx %0, 0, %1"::"r" (val), "r"(addr));
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clr_ci();
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}
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uint8_t
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load8_ci(uint64_t addr)
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{
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uint8_t val;
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set_ci();
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val = *(uint8_t *) addr;
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clr_ci();
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return val;
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}
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uint16_t
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load16_ci(uint64_t addr)
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{
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uint16_t val;
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set_ci();
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val = *(uint16_t *) addr;
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clr_ci();
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return val;
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}
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uint32_t
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load32_ci(uint64_t addr)
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{
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uint32_t val;
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set_ci();
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val = *(uint32_t *) addr;
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clr_ci();
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return val;
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}
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uint64_t
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load64_ci(uint64_t addr)
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{
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uint64_t val;
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set_ci();
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val = *(uint64_t *) addr;
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clr_ci();
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return val;
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}
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void
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store8_ci(uint64_t addr, uint8_t val)
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{
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set_ci();
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*(uint8_t *) addr = val;
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clr_ci();
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}
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void
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store16_ci(uint64_t addr, uint16_t val)
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{
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set_ci();
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*(uint16_t *) addr = val;
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clr_ci();
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}
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void
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store32_ci(uint64_t addr, uint32_t val)
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{
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set_ci();
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*(uint32_t *) addr = val;
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clr_ci();
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}
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void
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store64_ci(uint64_t addr, uint64_t val)
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{
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set_ci();
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*(uint64_t *) addr = val;
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clr_ci();
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}
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