diff options
author | Yang Zhang <yang.z.zhang@intel.com> | 2015-08-28 09:58:54 +0800 |
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committer | Yang Zhang <yang.z.zhang@intel.com> | 2015-09-01 12:44:00 +0800 |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/SLOF/include/ppc970/cache.h | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/SLOF/include/ppc970/cache.h')
-rw-r--r-- | qemu/roms/SLOF/include/ppc970/cache.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/qemu/roms/SLOF/include/ppc970/cache.h b/qemu/roms/SLOF/include/ppc970/cache.h new file mode 100644 index 000000000..b74868986 --- /dev/null +++ b/qemu/roms/SLOF/include/ppc970/cache.h @@ -0,0 +1,86 @@ +/****************************************************************************** + * Copyright (c) 2004, 2008 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 + *****************************************************************************/ + +#ifndef __CACHE_H +#define __CACHE_H + +#include <cpu.h> +#include <stdint.h> + +#define cache_inhibited_access(type,name) \ + static inline type ci_read_##name(type * addr) \ + { \ + type val; \ + set_ci(); \ + val = *addr; \ + clr_ci(); \ + return val; \ + } \ + static inline void ci_write_##name(type * addr, type data) \ + { \ + set_ci(); \ + *addr = data; \ + clr_ci(); \ + } + +cache_inhibited_access(uint8_t, 8) +cache_inhibited_access(uint16_t, 16) +cache_inhibited_access(uint32_t, 32) +cache_inhibited_access(uint64_t, 64) + +#define _FWOVERLAP(s, d, size) ((d >= s) && ((type_u)d < ((type_u)s + size))) + +// 3.1 +#define _FWMOVE(s, d, size, t) \ + { t *s1=(t *)s, *d1=(t *)d; \ + while (size > 0) { *d1++ = *s1++; size -= sizeof(t); } } + +#define _BWMOVE(s, d, size, t) { \ + t *s1=(t *)((char *)s+size), *d1=(t *)((char *)d+size); \ + while (size > 0) { *--d1 = *--s1; size -= sizeof(t); } \ +} + + +#define _MOVE(s, d, size, t) if _FWOVERLAP(s, d, size) _BWMOVE(s, d, size, t) else _FWMOVE(s, d, size, t) + +#define _FASTMOVE(s, d, size) \ + switch (((type_u)s | (type_u)d | size) & (sizeof(type_u)-1)) { \ + case 0: _MOVE(s, d, size, type_u); break; \ + case sizeof(type_l): _MOVE(s, d, size, type_l); break; \ + case sizeof(type_w): _MOVE(s, d, size, type_w); break; \ + default: _MOVE(s, d, size, type_c); break; \ + } + +// Device IO block data helpers +#define _FWRMOVE(s, d, size, t) \ + { t *s1=(t *)s, *d1=(t *)d; SET_CI; \ + while (size > 0) { *d1++ = *s1++; size -= sizeof(t); } \ + CLR_CI; \ +} + +#define _BWRMOVE(s, d, size, t) { \ + t *s1=(t *)((char *)s+size), *d1=(t *)((char *)d+size); SET_CI; \ + while (size > 0) { *--d1 = *--s1; size -= sizeof(t); } \ + CLR_CI; \ +} + +#define _RMOVE(s, d, size, t) if _FWOVERLAP(s, d, size) _BWRMOVE(s, d, size, t) else _FWRMOVE(s, d, size, t) + +#define _FASTRMOVE(s, d, size) \ + switch (((type_u)s | (type_u)d | size) & (sizeof(type_u)-1)) { \ + case 0: _RMOVE(s, d, size, type_u); break; \ + case sizeof(type_l): _RMOVE(s, d, size, type_l); break; \ + case sizeof(type_w): _RMOVE(s, d, size, type_w); break; \ + default: _RMOVE(s, d, size, type_c); break; \ + } + +#endif |