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| author | Laurent Vivier <laurent@vivier.eu> | 2018-01-04 02:29:12 +0100 |
|---|---|---|
| committer | Laurent Vivier <laurent@vivier.eu> | 2018-01-04 17:24:35 +0100 |
| commit | 6e22b28e22aa6ed1b8db6f24da2633868019d4c9 (patch) | |
| tree | 706100b008229562e49fdff19ad71e2861763e38 /target/m68k/cpu.h | |
| parent | b5ae1edc294f78865ede38377c0a9b92da4370e0 (diff) | |
| download | qemu-6e22b28e22aa6ed1b8db6f24da2633868019d4c9.zip | |
target/m68k: add the Interrupt Stack Pointer
Add the third stack pointer, the Interrupt Stack Pointer (ISP)
(680x0 only). This stack will be needed in softmmu mode.
Update movec to set/get the value of the three stacks.
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20180104012913.30763-17-laurent@vivier.eu>
Diffstat (limited to 'target/m68k/cpu.h')
| -rw-r--r-- | target/m68k/cpu.h | 70 |
1 files changed, 69 insertions, 1 deletions
diff --git a/target/m68k/cpu.h b/target/m68k/cpu.h index 2ac4ab191e..759b30d389 100644 --- a/target/m68k/cpu.h +++ b/target/m68k/cpu.h @@ -89,7 +89,7 @@ typedef struct CPUM68KState { /* SSP and USP. The current_sp is stored in aregs[7], the other here. */ int current_sp; - uint32_t sp[2]; + uint32_t sp[3]; /* Condition flags. */ uint32_t cc_op; @@ -223,6 +223,74 @@ typedef enum { #define M68K_SSP 0 #define M68K_USP 1 +#define M68K_ISP 2 + +/* m68k Control Registers */ + +/* ColdFire */ +/* Memory Management Control Registers */ +#define M68K_CR_ASID 0x003 +#define M68K_CR_ACR0 0x004 +#define M68K_CR_ACR1 0x005 +#define M68K_CR_ACR2 0x006 +#define M68K_CR_ACR3 0x007 +#define M68K_CR_MMUBAR 0x008 + +/* Processor Miscellaneous Registers */ +#define M68K_CR_PC 0x80F + +/* Local Memory and Module Control Registers */ +#define M68K_CR_ROMBAR0 0xC00 +#define M68K_CR_ROMBAR1 0xC01 +#define M68K_CR_RAMBAR0 0xC04 +#define M68K_CR_RAMBAR1 0xC05 +#define M68K_CR_MPCR 0xC0C +#define M68K_CR_EDRAMBAR 0xC0D +#define M68K_CR_SECMBAR 0xC0E +#define M68K_CR_MBAR 0xC0F + +/* Local Memory Address Permutation Control Registers */ +#define M68K_CR_PCR1U0 0xD02 +#define M68K_CR_PCR1L0 0xD03 +#define M68K_CR_PCR2U0 0xD04 +#define M68K_CR_PCR2L0 0xD05 +#define M68K_CR_PCR3U0 0xD06 +#define M68K_CR_PCR3L0 0xD07 +#define M68K_CR_PCR1U1 0xD0A +#define M68K_CR_PCR1L1 0xD0B +#define M68K_CR_PCR2U1 0xD0C +#define M68K_CR_PCR2L1 0xD0D +#define M68K_CR_PCR3U1 0xD0E +#define M68K_CR_PCR3L1 0xD0F + +/* MC680x0 */ +/* MC680[1234]0/CPU32 */ +#define M68K_CR_SFC 0x000 +#define M68K_CR_DFC 0x001 +#define M68K_CR_USP 0x800 +#define M68K_CR_VBR 0x801 /* + Coldfire */ + +/* MC680[234]0 */ +#define M68K_CR_CACR 0x002 /* + Coldfire */ +#define M68K_CR_CAAR 0x802 /* MC68020 and MC68030 only */ +#define M68K_CR_MSP 0x803 +#define M68K_CR_ISP 0x804 + +/* MC68040/MC68LC040 */ +#define M68K_CR_TC 0x003 +#define M68K_CR_ITT0 0x004 +#define M68K_CR_ITT1 0x005 +#define M68K_CR_DTT0 0x006 +#define M68K_CR_DTT1 0x007 +#define M68K_CR_MMUSR 0x805 +#define M68K_CR_URP 0x806 +#define M68K_CR_SRP 0x807 + +/* MC68EC040 */ +#define M68K_CR_IACR0 0x004 +#define M68K_CR_IACR1 0x005 +#define M68K_CR_DACR0 0x006 +#define M68K_CR_DACR1 0x007 #define M68K_FPIAR_SHIFT 0 #define M68K_FPIAR (1 << M68K_FPIAR_SHIFT) |