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cputlb: document get_page_addr_code 

Suggested-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Emilio G. Cota <cota@braap.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Emilio G. Cota 2019-02-06 17:11:04 -05:00 committed by Alex Bennée
parent 050ec8cc18
commit 8c01eb78c6
1 changed files with 21 additions and 3 deletions
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24
include/exec/exec-all.h
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@ -504,7 +504,15 @@ void mmap_lock(void);
void mmap_unlock(void);
bool have_mmap_lock(void);
static inline tb_page_addr_t get_page_addr_code(CPUArchState *env1, target_ulong addr)
/**
* get_page_addr_code() - user-mode version
* @env: CPUArchState
* @addr: guest virtual address of guest code
*
* Returns @addr.
*/
static inline tb_page_addr_t get_page_addr_code(CPUArchState *env,
target_ulong addr)
{
return addr;
}
@ -512,8 +520,18 @@ static inline tb_page_addr_t get_page_addr_code(CPUArchState *env1, target_ulong
static inline void mmap_lock(void) {}
static inline void mmap_unlock(void) {}
/* cputlb.c */
tb_page_addr_t get_page_addr_code(CPUArchState *env1, target_ulong addr);
/**
* get_page_addr_code() - full-system version
* @env: CPUArchState
* @addr: guest virtual address of guest code
*
* If we cannot translate and execute from the entire RAM page, or if
* the region is not backed by RAM, returns -1. Otherwise, returns the
* ram_addr_t corresponding to the guest code at @addr.
*
* Note: this function can trigger an exception.
*/
tb_page_addr_t get_page_addr_code(CPUArchState *env, target_ulong addr);
void tlb_reset_dirty(CPUState *cpu, ram_addr_t start1, ram_addr_t length);
void tlb_set_dirty(CPUState *cpu, target_ulong vaddr);