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cputlb: Move tlb_lock to CPUTLBCommon

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This is the first of several moves to reduce the size of the
CPU_COMMON_TLB macro and improve some locality of refernce.

Tested-by: Emilio G. Cota <cota@braap.org>
Reviewed-by: Emilio G. Cota <cota@braap.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2018-10-23 03:57:11 +01:00
parent a2e002ff79
commit 53d284554c
2 changed files with 38 additions and 27 deletions
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17
include/exec/cpu-defs.h
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@ -141,10 +141,21 @@ typedef struct CPUIOTLBEntry {
MemTxAttrs attrs;
} CPUIOTLBEntry;
/*
* Data elements that are shared between all MMU modes.
*/
typedef struct CPUTLBCommon {
/* lock serializes updates to tlb_table and tlb_v_table */
QemuSpin lock;
} CPUTLBCommon;
/*
* The meaning of each of the MMU modes is defined in the target code.
* Note that NB_MMU_MODES is not yet defined; we can only reference it
* within preprocessor defines that will be expanded later.
*/
#define CPU_COMMON_TLB \
/* The meaning of the MMU modes is defined in the target code. */ \
/* tlb_lock serializes updates to tlb_table and tlb_v_table */ \
QemuSpin tlb_lock; \
CPUTLBCommon tlb_c; \
CPUTLBEntry tlb_table[NB_MMU_MODES][CPU_TLB_SIZE]; \
CPUTLBEntry tlb_v_table[NB_MMU_MODES][CPU_VTLB_SIZE]; \
CPUIOTLBEntry iotlb[NB_MMU_MODES][CPU_TLB_SIZE]; \