diff options
Diffstat (limited to 'include/exec/cpu-defs.h')
| -rw-r--r-- | include/exec/cpu-defs.h | 26 |
1 files changed, 0 insertions, 26 deletions
diff --git a/include/exec/cpu-defs.h b/include/exec/cpu-defs.h index ae18398fa9..9f955f53fd 100644 --- a/include/exec/cpu-defs.h +++ b/include/exec/cpu-defs.h @@ -46,30 +46,4 @@ #include "exec/target_long.h" -#if defined(CONFIG_SOFTMMU) && defined(CONFIG_TCG) -#define CPU_TLB_DYN_MIN_BITS 6 -#define CPU_TLB_DYN_DEFAULT_BITS 8 - -# if HOST_LONG_BITS == 32 -/* Make sure we do not require a double-word shift for the TLB load */ -# define CPU_TLB_DYN_MAX_BITS (32 - TARGET_PAGE_BITS) -# else /* HOST_LONG_BITS == 64 */ -/* - * Assuming TARGET_PAGE_BITS==12, with 2**22 entries we can cover 2**(22+12) == - * 2**34 == 16G of address space. This is roughly what one would expect a - * TLB to cover in a modern (as of 2018) x86_64 CPU. For instance, Intel - * Skylake's Level-2 STLB has 16 1G entries. - * Also, make sure we do not size the TLB past the guest's address space. - */ -# ifdef TARGET_PAGE_BITS_VARY -# define CPU_TLB_DYN_MAX_BITS \ - MIN(22, TARGET_VIRT_ADDR_SPACE_BITS - TARGET_PAGE_BITS) -# else -# define CPU_TLB_DYN_MAX_BITS \ - MIN_CONST(22, TARGET_VIRT_ADDR_SPACE_BITS - TARGET_PAGE_BITS) -# endif -# endif - -#endif /* CONFIG_SOFTMMU && CONFIG_TCG */ - #endif |