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target/m68k: add HMP command "info tlb"

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Backports relevant parts of commit 2097dca6d3a30b80ac5a6232f518548d5ae644a9 from qemu
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Laurent Vivier 2018-03-06 11:23:06 -05:00 committed by Lioncash
parent e1102bd396
commit db311b6802
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1 changed files with 3 additions and 0 deletions
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qemu/target/m68k/cpu.h
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@ -313,6 +313,7 @@ typedef enum {
#define M68K_DESC_GLOBAL 0x00000400
#define M68K_DESC_URESERVED 0x00000800
#define M68K_ROOT_POINTER_ENTRIES 128
#define M68K_4K_PAGE_MASK (~0xff)
#define M68K_POINTER_BASE(entry) (entry & ~0x1ff)
#define M68K_ROOT_INDEX(addr) ((address >> 23) & 0x1fc)
@ -326,6 +327,8 @@ typedef enum {
#define M68K_PDT_VALID(entry) (entry & 3)
#define M68K_PDT_INDIRECT(entry) ((entry & 3) == 2)
#define M68K_INDIRECT_POINTER(addr) (addr & ~3)
#define M68K_TTS_POINTER_SHIFT 18
#define M68K_TTS_ROOT_SHIFT 25
/* bits for 68040 MMU Transparent Translation Registers */
#define M68K_TTR_ADDR_BASE 0xff000000