diff options
| author | Richard Henderson <rth@twiddle.net> | 2013-08-20 14:41:29 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@twiddle.net> | 2013-09-02 09:08:29 -0700 |
| commit | 78cd7b835e13bee4416782b6ed41e9bef76e3cfc (patch) | |
| tree | 72df31f9f5507454d5f9a3e10ada1498f105516d /tcg | |
| parent | 3e9bd63acf145bb2d3da277ee85167878ade53bd (diff) | |
tcg: Allow TCG_TARGET_REG_BITS to be specified independantly
There are several hosts for which it would be useful to use the
available 64-bit registers in a 32-bit pointer environment.
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'tcg')
| -rw-r--r-- | tcg/hppa/tcg-target.c | 4 | ||||
| -rw-r--r-- | tcg/hppa/tcg-target.h | 4 | ||||
| -rw-r--r-- | tcg/i386/tcg-target.h | 10 | ||||
| -rw-r--r-- | tcg/sparc/tcg-target.h | 8 | ||||
| -rw-r--r-- | tcg/tcg.h | 19 | ||||
| -rw-r--r-- | tcg/tci/tcg-target.h | 8 |
6 files changed, 37 insertions, 16 deletions
diff --git a/tcg/hppa/tcg-target.c b/tcg/hppa/tcg-target.c index 68f77ba4dd..e5aed91987 100644 --- a/tcg/hppa/tcg-target.c +++ b/tcg/hppa/tcg-target.c @@ -22,6 +22,10 @@ * THE SOFTWARE. */ +#if TCG_TARGET_REG_BITS != 32 +#error unsupported +#endif + #ifndef NDEBUG static const char * const tcg_target_reg_names[TCG_TARGET_NB_REGS] = { "%r0", "%r1", "%rp", "%r3", "%r4", "%r5", "%r6", "%r7", diff --git a/tcg/hppa/tcg-target.h b/tcg/hppa/tcg-target.h index be5895f847..122edce7a7 100644 --- a/tcg/hppa/tcg-target.h +++ b/tcg/hppa/tcg-target.h @@ -25,10 +25,6 @@ #ifndef TCG_TARGET_HPPA #define TCG_TARGET_HPPA 1 -#if TCG_TARGET_REG_BITS != 32 -#error unsupported -#endif - #define TCG_TARGET_WORDS_BIGENDIAN #define TCG_TARGET_NB_REGS 32 diff --git a/tcg/i386/tcg-target.h b/tcg/i386/tcg-target.h index 1f6c7eb8a5..d32d7ef6f0 100644 --- a/tcg/i386/tcg-target.h +++ b/tcg/i386/tcg-target.h @@ -24,12 +24,14 @@ #ifndef TCG_TARGET_I386 #define TCG_TARGET_I386 1 -//#define TCG_TARGET_WORDS_BIGENDIAN +#undef TCG_TARGET_WORDS_BIGENDIAN -#if TCG_TARGET_REG_BITS == 64 -# define TCG_TARGET_NB_REGS 16 +#ifdef __x86_64__ +# define TCG_TARGET_REG_BITS 64 +# define TCG_TARGET_NB_REGS 16 #else -# define TCG_TARGET_NB_REGS 8 +# define TCG_TARGET_REG_BITS 32 +# define TCG_TARGET_NB_REGS 8 #endif typedef enum { diff --git a/tcg/sparc/tcg-target.h b/tcg/sparc/tcg-target.h index c0d3abcc7d..2edf858733 100644 --- a/tcg/sparc/tcg-target.h +++ b/tcg/sparc/tcg-target.h @@ -24,6 +24,14 @@ #ifndef TCG_TARGET_SPARC #define TCG_TARGET_SPARC 1 +#if UINTPTR_MAX == UINT32_MAX +# define TCG_TARGET_REG_BITS 32 +#elif UINTPTR_MAX == UINT64_MAX +# define TCG_TARGET_REG_BITS 64 +#else +# error Unknown pointer size for tcg target +#endif + #define TCG_TARGET_WORDS_BIGENDIAN #define TCG_TARGET_NB_REGS 32 @@ -23,13 +23,17 @@ */ #include "qemu-common.h" -/* Target word size (must be identical to pointer size). */ -#if UINTPTR_MAX == UINT32_MAX -# define TCG_TARGET_REG_BITS 32 -#elif UINTPTR_MAX == UINT64_MAX -# define TCG_TARGET_REG_BITS 64 -#else -# error Unknown pointer size for tcg target +#include "tcg-target.h" + +/* Default target word size to pointer size. */ +#ifndef TCG_TARGET_REG_BITS +# if UINTPTR_MAX == UINT32_MAX +# define TCG_TARGET_REG_BITS 32 +# elif UINTPTR_MAX == UINT64_MAX +# define TCG_TARGET_REG_BITS 64 +# else +# error Unknown pointer size for tcg target +# endif #endif #if TCG_TARGET_REG_BITS == 32 @@ -46,7 +50,6 @@ typedef uint64_t tcg_target_ulong; #error unsupported #endif -#include "tcg-target.h" #include "tcg-runtime.h" #if TCG_TARGET_NB_REGS <= 32 diff --git a/tcg/tci/tcg-target.h b/tcg/tci/tcg-target.h index 02e0da1304..c2ecfbe047 100644 --- a/tcg/tci/tcg-target.h +++ b/tcg/tci/tcg-target.h @@ -44,6 +44,14 @@ #define TCG_TARGET_INTERPRETER 1 +#if UINTPTR_MAX == UINT32_MAX +# define TCG_TARGET_REG_BITS 32 +#elif UINTPTR_MAX == UINT64_MAX +# define TCG_TARGET_REG_BITS 64 +#else +# error Unknown pointer size for tci target +#endif + #ifdef CONFIG_DEBUG_TCG /* Enable debug output. */ #define CONFIG_DEBUG_TCG_INTERPRETER |