diff options
Diffstat (limited to 'accel/tcg/tb-internal.h')
-rw-r--r-- | accel/tcg/tb-internal.h | 38 |
1 files changed, 2 insertions, 36 deletions
diff --git a/accel/tcg/tb-internal.h b/accel/tcg/tb-internal.h index 68aa8d1..08538e2 100644 --- a/accel/tcg/tb-internal.h +++ b/accel/tcg/tb-internal.h @@ -9,8 +9,6 @@ #ifndef ACCEL_TCG_TB_INTERNAL_TARGET_H #define ACCEL_TCG_TB_INTERNAL_TARGET_H -#include "exec/cpu-all.h" -#include "exec/exec-all.h" #include "exec/translation-block.h" /* @@ -24,55 +22,23 @@ */ #define GETPC_ADJ 2 -#ifdef CONFIG_SOFTMMU - -#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 */ +void tb_lock_page0(tb_page_addr_t); #ifdef CONFIG_USER_ONLY -#include "user/page-protection.h" /* * For user-only, page_protect sets the page read-only. * Since most execution is already on read-only pages, and we'd need to * account for other TBs on the same page, defer undoing any page protection * until we receive the write fault. */ -static inline void tb_lock_page0(tb_page_addr_t p0) -{ - page_protect(p0); -} - static inline void tb_lock_page1(tb_page_addr_t p0, tb_page_addr_t p1) { - page_protect(p1); + tb_lock_page0(p1); } static inline void tb_unlock_page1(tb_page_addr_t p0, tb_page_addr_t p1) { } static inline void tb_unlock_pages(TranslationBlock *tb) { } #else -void tb_lock_page0(tb_page_addr_t); void tb_lock_page1(tb_page_addr_t, tb_page_addr_t); void tb_unlock_page1(tb_page_addr_t, tb_page_addr_t); void tb_unlock_pages(TranslationBlock *); |