diff options
| -rw-r--r-- | tcg/tcg-mo.h | 48 | ||||
| -rw-r--r-- | tcg/tcg.h | 18 |
2 files changed, 49 insertions, 17 deletions
diff --git a/tcg/tcg-mo.h b/tcg/tcg-mo.h new file mode 100644 index 0000000000..c2c55704e1 --- /dev/null +++ b/tcg/tcg-mo.h @@ -0,0 +1,48 @@ +/* + * Tiny Code Generator for QEMU + * + * Copyright (c) 2008 Fabrice Bellard + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#ifndef TCG_MO_H +#define TCG_MO_H + +typedef enum { + /* Used to indicate the type of accesses on which ordering + is to be ensured. Modeled after SPARC barriers. + + This is of the form TCG_MO_A_B where A is before B in program order. + */ + TCG_MO_LD_LD = 0x01, + TCG_MO_ST_LD = 0x02, + TCG_MO_LD_ST = 0x04, + TCG_MO_ST_ST = 0x08, + TCG_MO_ALL = 0x0F, /* OR of the above */ + + /* Used to indicate the kind of ordering which is to be ensured by the + instruction. These types are derived from x86/aarch64 instructions. + It should be noted that these are different from C11 semantics. */ + TCG_BAR_LDAQ = 0x10, /* Following ops will not come forward */ + TCG_BAR_STRL = 0x20, /* Previous ops will not be delayed */ + TCG_BAR_SC = 0x30, /* No ops cross barrier; OR of the above */ +} TCGBar; + +#endif /* TCG_MO_H */ @@ -29,6 +29,7 @@ #include "cpu.h" #include "exec/tb-context.h" #include "qemu/bitops.h" +#include "tcg-mo.h" #include "tcg-target.h" /* XXX: make safe guess about sizes */ @@ -498,23 +499,6 @@ static inline intptr_t QEMU_ARTIFICIAL GET_TCGV_PTR(TCGv_ptr t) #define TCG_CALL_DUMMY_TCGV MAKE_TCGV_I32(-1) #define TCG_CALL_DUMMY_ARG ((TCGArg)(-1)) -typedef enum { - /* Used to indicate the type of accesses on which ordering - is to be ensured. Modeled after SPARC barriers. */ - TCG_MO_LD_LD = 0x01, - TCG_MO_ST_LD = 0x02, - TCG_MO_LD_ST = 0x04, - TCG_MO_ST_ST = 0x08, - TCG_MO_ALL = 0x0F, /* OR of the above */ - - /* Used to indicate the kind of ordering which is to be ensured by the - instruction. These types are derived from x86/aarch64 instructions. - It should be noted that these are different from C11 semantics. */ - TCG_BAR_LDAQ = 0x10, /* Following ops will not come forward */ - TCG_BAR_STRL = 0x20, /* Previous ops will not be delayed */ - TCG_BAR_SC = 0x30, /* No ops cross barrier; OR of the above */ -} TCGBar; - /* Conditions. Note that these are laid out for easy manipulation by the functions below: bit 0 is used for inverting; |