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author | Adrian Reber <adrian@lisas.de> | 2008-11-21 12:45:38 +0100 |
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committer | Adrian Reber <adrian@lisas.de> | 2008-11-21 12:45:38 +0100 |
commit | 1015f69140c36be1c56653075636be60ca433a6d (patch) | |
tree | 23c81fb82a757758186b8ad9adab8f48badd3a16 /board-js2x/llfw/hw.c | |
parent | 07ec038eec68116cbfcc42b4eea568fd334e8c88 (diff) | |
download | SLOF-slof-JX-1.4.0-0.zip SLOF-slof-JX-1.4.0-0.tar.gz SLOF-slof-JX-1.4.0-0.tar.bz2 |
imported slof-JX-1.4.0-0 releaseslof-JX-1.4.0-0
Diffstat (limited to 'board-js2x/llfw/hw.c')
-rw-r--r-- | board-js2x/llfw/hw.c | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/board-js2x/llfw/hw.c b/board-js2x/llfw/hw.c new file mode 100644 index 0000000..95888dc --- /dev/null +++ b/board-js2x/llfw/hw.c @@ -0,0 +1,124 @@ +/****************************************************************************** + * Copyright (c) 2004, 2007 IBM Corporation + * All rights reserved. + * This program and the accompanying materials + * are made available under the terms of the BSD License + * which accompanies this distribution, and is available at + * http://www.opensource.org/licenses/bsd-license.php + * + * Contributors: + * IBM Corporation - initial implementation + *****************************************************************************/ + +#include <cpu.h> +#include <types.h> +#include <hw.h> + +uint16_t +bswap16_load(uint64_t addr) +{ + unsigned int val; + set_ci(); + asm volatile ("lhbrx %0, 0, %1":"=r" (val):"r"(addr)); + clr_ci(); + return val; +} + +uint32_t +bswap32_load(uint64_t addr) +{ + unsigned int val; + set_ci(); + asm volatile ("lwbrx %0, 0, %1":"=r" (val):"r"(addr)); + clr_ci(); + return val; +} + +void +bswap16_store(uint64_t addr, uint16_t val) +{ + set_ci(); + asm volatile ("sthbrx %0, 0, %1"::"r" (val), "r"(addr)); + clr_ci(); +} + +void +bswap32_store(uint64_t addr, uint32_t val) +{ + set_ci(); + asm volatile ("stwbrx %0, 0, %1"::"r" (val), "r"(addr)); + clr_ci(); +} + +uint8_t +load8_ci(uint64_t addr) +{ + uint8_t val; + set_ci(); + val = *(uint8_t *) addr; + clr_ci(); + return val; +} + +uint16_t +load16_ci(uint64_t addr) +{ + uint16_t val; + set_ci(); + val = *(uint16_t *) addr; + clr_ci(); + return val; +} + +uint32_t +load32_ci(uint64_t addr) +{ + uint32_t val; + set_ci(); + val = *(uint32_t *) addr; + clr_ci(); + return val; +} + +uint64_t +load64_ci(uint64_t addr) +{ + uint64_t val; + set_ci(); + val = *(uint64_t *) addr; + clr_ci(); + return val; +} + + +void +store8_ci(uint64_t addr, uint8_t val) +{ + set_ci(); + *(uint8_t *) addr = val; + clr_ci(); +} + +void +store16_ci(uint64_t addr, uint16_t val) +{ + set_ci(); + *(uint16_t *) addr = val; + clr_ci(); +} + +void +store32_ci(uint64_t addr, uint32_t val) +{ + set_ci(); + *(uint32_t *) addr = val; + clr_ci(); +} + +void +store64_ci(uint64_t addr, uint64_t val) +{ + set_ci(); + *(uint64_t *) addr = val; + clr_ci(); +} |