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#ifndef CPU_SPARC_H
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#define CPU_SPARC_H
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#include "config.h" |
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#if !defined(TARGET_SPARC64)
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#define TARGET_LONG_BITS 32 |
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#define TARGET_FPREGS 32 |
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#define TARGET_PAGE_BITS 12 /* 4k */ |
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#else
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#define TARGET_LONG_BITS 64 |
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#define TARGET_FPREGS 64 |
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#define TARGET_PAGE_BITS 13 /* 8k */ |
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#endif
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#define CPUState struct CPUSPARCState |
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#include "cpu-defs.h" |
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#include "softfloat.h" |
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#define TARGET_HAS_ICE 1 |
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#if !defined(TARGET_SPARC64)
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#define ELF_MACHINE EM_SPARC
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#else
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#define ELF_MACHINE EM_SPARCV9
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#endif
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/*#define EXCP_INTERRUPT 0x100*/
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/* trap definitions */
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#ifndef TARGET_SPARC64
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#define TT_TFAULT 0x01 |
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#define TT_ILL_INSN 0x02 |
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#define TT_PRIV_INSN 0x03 |
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#define TT_NFPU_INSN 0x04 |
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#define TT_WIN_OVF 0x05 |
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#define TT_WIN_UNF 0x06 |
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#define TT_UNALIGNED 0x07 |
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#define TT_FP_EXCP 0x08 |
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#define TT_DFAULT 0x09 |
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#define TT_TOVF 0x0a |
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#define TT_EXTINT 0x10 |
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#define TT_CODE_ACCESS 0x21 |
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#define TT_UNIMP_FLUSH 0x25 |
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#define TT_DATA_ACCESS 0x29 |
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#define TT_DIV_ZERO 0x2a |
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#define TT_NCP_INSN 0x24 |
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#define TT_TRAP 0x80 |
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#else
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#define TT_POWER_ON_RESET 0x01 |
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#define TT_TFAULT 0x08 |
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#define TT_CODE_ACCESS 0x0a |
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#define TT_ILL_INSN 0x10 |
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#define TT_UNIMP_FLUSH TT_ILL_INSN
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#define TT_PRIV_INSN 0x11 |
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#define TT_NFPU_INSN 0x20 |
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#define TT_FP_EXCP 0x21 |
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#define TT_TOVF 0x23 |
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#define TT_CLRWIN 0x24 |
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#define TT_DIV_ZERO 0x28 |
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#define TT_DFAULT 0x30 |
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#define TT_DATA_ACCESS 0x32 |
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#define TT_UNALIGNED 0x34 |
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#define TT_PRIV_ACT 0x37 |
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#define TT_EXTINT 0x40 |
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#define TT_IVEC 0x60 |
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#define TT_TMISS 0x64 |
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#define TT_DMISS 0x68 |
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#define TT_DPROT 0x6c |
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#define TT_SPILL 0x80 |
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#define TT_FILL 0xc0 |
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#define TT_WOTHER 0x10 |
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#define TT_TRAP 0x100 |
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#endif
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#define PSR_NEG_SHIFT 23 |
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#define PSR_NEG (1 << PSR_NEG_SHIFT) |
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#define PSR_ZERO_SHIFT 22 |
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#define PSR_ZERO (1 << PSR_ZERO_SHIFT) |
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#define PSR_OVF_SHIFT 21 |
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#define PSR_OVF (1 << PSR_OVF_SHIFT) |
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#define PSR_CARRY_SHIFT 20 |
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#define PSR_CARRY (1 << PSR_CARRY_SHIFT) |
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#define PSR_ICC (PSR_NEG|PSR_ZERO|PSR_OVF|PSR_CARRY)
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#define PSR_EF (1<<12) |
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#define PSR_PIL 0xf00 |
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#define PSR_S (1<<7) |
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#define PSR_PS (1<<6) |
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#define PSR_ET (1<<5) |
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#define PSR_CWP 0x1f |
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#define CC_SRC (env->cc_src)
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#define CC_SRC2 (env->cc_src2)
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#define CC_DST (env->cc_dst)
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#define CC_OP (env->cc_op)
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enum {
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CC_OP_DYNAMIC, /* must use dynamic code to get cc_op */
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CC_OP_FLAGS, /* all cc are back in status register */
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CC_OP_DIV, /* modify N, Z and V, C = 0*/
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CC_OP_ADD, /* modify all flags, CC_DST = res, CC_SRC = src1 */
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CC_OP_ADDX, /* modify all flags, CC_DST = res, CC_SRC = src1 */
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CC_OP_TADD, /* modify all flags, CC_DST = res, CC_SRC = src1 */
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CC_OP_TADDTV, /* modify all flags except V, CC_DST = res, CC_SRC = src1 */
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CC_OP_SUB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
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CC_OP_SUBX, /* modify all flags, CC_DST = res, CC_SRC = src1 */
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CC_OP_TSUB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
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CC_OP_TSUBTV, /* modify all flags except V, CC_DST = res, CC_SRC = src1 */
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CC_OP_LOGIC, /* modify N and Z, C = V = 0, CC_DST = res */
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CC_OP_NB, |
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}; |
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/* Trap base register */
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#define TBR_BASE_MASK 0xfffff000 |
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#if defined(TARGET_SPARC64)
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#define PS_TCT (1<<12) /* UA2007, impl.dep. trap on control transfer */ |
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#define PS_IG (1<<11) /* v9, zero on UA2007 */ |
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#define PS_MG (1<<10) /* v9, zero on UA2007 */ |
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#define PS_CLE (1<<9) /* UA2007 */ |
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#define PS_TLE (1<<8) /* UA2007 */ |
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#define PS_RMO (1<<7) |
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#define PS_RED (1<<5) /* v9, zero on UA2007 */ |
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#define PS_PEF (1<<4) /* enable fpu */ |
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#define PS_AM (1<<3) /* address mask */ |
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#define PS_PRIV (1<<2) |
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#define PS_IE (1<<1) |
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#define PS_AG (1<<0) /* v9, zero on UA2007 */ |
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#define FPRS_FEF (1<<2) |
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#define HS_PRIV (1<<2) |
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#endif
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/* Fcc */
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#define FSR_RD1 (1ULL << 31) |
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#define FSR_RD0 (1ULL << 30) |
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#define FSR_RD_MASK (FSR_RD1 | FSR_RD0)
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#define FSR_RD_NEAREST 0 |
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#define FSR_RD_ZERO FSR_RD0
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#define FSR_RD_POS FSR_RD1
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#define FSR_RD_NEG (FSR_RD1 | FSR_RD0)
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#define FSR_NVM (1ULL << 27) |
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#define FSR_OFM (1ULL << 26) |
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#define FSR_UFM (1ULL << 25) |
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#define FSR_DZM (1ULL << 24) |
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#define FSR_NXM (1ULL << 23) |
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#define FSR_TEM_MASK (FSR_NVM | FSR_OFM | FSR_UFM | FSR_DZM | FSR_NXM)
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#define FSR_NVA (1ULL << 9) |
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#define FSR_OFA (1ULL << 8) |
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#define FSR_UFA (1ULL << 7) |
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#define FSR_DZA (1ULL << 6) |
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#define FSR_NXA (1ULL << 5) |
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#define FSR_AEXC_MASK (FSR_NVA | FSR_OFA | FSR_UFA | FSR_DZA | FSR_NXA)
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#define FSR_NVC (1ULL << 4) |
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#define FSR_OFC (1ULL << 3) |
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#define FSR_UFC (1ULL << 2) |
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#define FSR_DZC (1ULL << 1) |
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#define FSR_NXC (1ULL << 0) |
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#define FSR_CEXC_MASK (FSR_NVC | FSR_OFC | FSR_UFC | FSR_DZC | FSR_NXC)
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#define FSR_FTT2 (1ULL << 16) |
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#define FSR_FTT1 (1ULL << 15) |
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#define FSR_FTT0 (1ULL << 14) |
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//gcc warns about constant overflow for ~FSR_FTT_MASK
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//#define FSR_FTT_MASK (FSR_FTT2 | FSR_FTT1 | FSR_FTT0)
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#ifdef TARGET_SPARC64
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#define FSR_FTT_NMASK 0xfffffffffffe3fffULL |
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#define FSR_FTT_CEXC_NMASK 0xfffffffffffe3fe0ULL |
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#define FSR_LDFSR_OLDMASK 0x0000003f000fc000ULL |
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#define FSR_LDXFSR_MASK 0x0000003fcfc00fffULL |
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#define FSR_LDXFSR_OLDMASK 0x00000000000fc000ULL |
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#else
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#define FSR_FTT_NMASK 0xfffe3fffULL |
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#define FSR_FTT_CEXC_NMASK 0xfffe3fe0ULL |
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#define FSR_LDFSR_OLDMASK 0x000fc000ULL |
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#endif
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#define FSR_LDFSR_MASK 0xcfc00fffULL |
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#define FSR_FTT_IEEE_EXCP (1ULL << 14) |
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#define FSR_FTT_UNIMPFPOP (3ULL << 14) |
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#define FSR_FTT_SEQ_ERROR (4ULL << 14) |
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#define FSR_FTT_INVAL_FPR (6ULL << 14) |
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#define FSR_FCC1_SHIFT 11 |
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#define FSR_FCC1 (1ULL << FSR_FCC1_SHIFT) |
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#define FSR_FCC0_SHIFT 10 |
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#define FSR_FCC0 (1ULL << FSR_FCC0_SHIFT) |
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/* MMU */
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#define MMU_E (1<<0) |
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#define MMU_NF (1<<1) |
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#define PTE_ENTRYTYPE_MASK 3 |
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#define PTE_ACCESS_MASK 0x1c |
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#define PTE_ACCESS_SHIFT 2 |
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#define PTE_PPN_SHIFT 7 |
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#define PTE_ADDR_MASK 0xffffff00 |
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#define PG_ACCESSED_BIT 5 |
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#define PG_MODIFIED_BIT 6 |
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#define PG_CACHE_BIT 7 |
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#define PG_ACCESSED_MASK (1 << PG_ACCESSED_BIT) |
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#define PG_MODIFIED_MASK (1 << PG_MODIFIED_BIT) |
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#define PG_CACHE_MASK (1 << PG_CACHE_BIT) |
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/* 3 <= NWINDOWS <= 32. */
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#define MIN_NWINDOWS 3 |
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#define MAX_NWINDOWS 32 |
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#if !defined(TARGET_SPARC64)
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#define NB_MMU_MODES 2 |
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#else
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#define NB_MMU_MODES 3 |
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typedef struct trap_state { |
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uint64_t tpc; |
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uint64_t tnpc; |
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uint64_t tstate; |
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uint32_t tt; |
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} trap_state; |
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#endif
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typedef struct sparc_def_t { |
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const char *name; |
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target_ulong iu_version; |
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uint32_t fpu_version; |
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uint32_t mmu_version; |
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uint32_t mmu_bm; |
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uint32_t mmu_ctpr_mask; |
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uint32_t mmu_cxr_mask; |
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uint32_t mmu_sfsr_mask; |
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uint32_t mmu_trcr_mask; |
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uint32_t mxcc_version; |
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uint32_t features; |
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uint32_t nwindows; |
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uint32_t maxtl; |
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} sparc_def_t; |
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#define CPU_FEATURE_FLOAT (1 << 0) |
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#define CPU_FEATURE_FLOAT128 (1 << 1) |
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#define CPU_FEATURE_SWAP (1 << 2) |
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#define CPU_FEATURE_MUL (1 << 3) |
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#define CPU_FEATURE_DIV (1 << 4) |
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#define CPU_FEATURE_FLUSH (1 << 5) |
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#define CPU_FEATURE_FSQRT (1 << 6) |
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#define CPU_FEATURE_FMUL (1 << 7) |
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#define CPU_FEATURE_VIS1 (1 << 8) |
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#define CPU_FEATURE_VIS2 (1 << 9) |
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#define CPU_FEATURE_FSMULD (1 << 10) |
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#define CPU_FEATURE_HYPV (1 << 11) |
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#define CPU_FEATURE_CMT (1 << 12) |
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#define CPU_FEATURE_GL (1 << 13) |
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#ifndef TARGET_SPARC64
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#define CPU_DEFAULT_FEATURES (CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | \
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CPU_FEATURE_MUL | CPU_FEATURE_DIV | \ |
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CPU_FEATURE_FLUSH | CPU_FEATURE_FSQRT | \ |
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CPU_FEATURE_FMUL | CPU_FEATURE_FSMULD) |
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#else
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#define CPU_DEFAULT_FEATURES (CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | \
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CPU_FEATURE_MUL | CPU_FEATURE_DIV | \ |
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CPU_FEATURE_FLUSH | CPU_FEATURE_FSQRT | \ |
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CPU_FEATURE_FMUL | CPU_FEATURE_VIS1 | \ |
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CPU_FEATURE_VIS2 | CPU_FEATURE_FSMULD) |
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enum {
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mmu_us_12, // Ultrasparc < III (64 entry TLB)
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mmu_us_3, // Ultrasparc III (512 entry TLB)
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mmu_us_4, // Ultrasparc IV (several TLBs, 32 and 256MB pages)
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mmu_sun4v, // T1, T2
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}; |
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#endif
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#define TTE_VALID_BIT (1ULL << 63) |
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#define TTE_USED_BIT (1ULL << 41) |
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#define TTE_LOCKED_BIT (1ULL << 6) |
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#define TTE_IS_VALID(tte) ((tte) & TTE_VALID_BIT)
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#define TTE_IS_USED(tte) ((tte) & TTE_USED_BIT)
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#define TTE_IS_LOCKED(tte) ((tte) & TTE_LOCKED_BIT)
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#define TTE_SET_USED(tte) ((tte) |= TTE_USED_BIT)
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#define TTE_SET_UNUSED(tte) ((tte) &= ~TTE_USED_BIT)
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typedef struct SparcTLBEntry { |
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uint64_t tag; |
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uint64_t tte; |
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} SparcTLBEntry; |
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typedef struct CPUSPARCState { |
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target_ulong gregs[8]; /* general registers */ |
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target_ulong *regwptr; /* pointer to current register window */
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target_ulong pc; /* program counter */
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target_ulong npc; /* next program counter */
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target_ulong y; /* multiply/divide register */
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/* emulator internal flags handling */
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target_ulong cc_src, cc_src2; |
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target_ulong cc_dst; |
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uint32_t cc_op; |
304 |
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target_ulong t0, t1; /* temporaries live across basic blocks */
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target_ulong cond; /* conditional branch result (XXX: save it in a
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temporary register when possible) */
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uint32_t psr; /* processor state register */
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target_ulong fsr; /* FPU state register */
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float32 fpr[TARGET_FPREGS]; /* floating point registers */
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uint32_t cwp; /* index of current register window (extracted
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from PSR) */
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#if !defined(TARGET_SPARC64) || defined(TARGET_ABI32)
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uint32_t wim; /* window invalid mask */
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#endif
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target_ulong tbr; /* trap base register */
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int psrs; /* supervisor mode (extracted from PSR) */ |
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int psrps; /* previous supervisor mode */ |
320 |
#if !defined(TARGET_SPARC64)
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int psret; /* enable traps */ |
322 |
#endif
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uint32_t psrpil; /* interrupt blocking level */
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uint32_t pil_in; /* incoming interrupt level bitmap */
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int psref; /* enable fpu */ |
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target_ulong version; |
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int interrupt_index;
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uint32_t nwindows; |
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/* NOTE: we allow 8 more registers to handle wrapping */
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target_ulong regbase[MAX_NWINDOWS * 16 + 8]; |
331 |
|
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CPU_COMMON |
333 |
|
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/* MMU regs */
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#if defined(TARGET_SPARC64)
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uint64_t lsu; |
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#define DMMU_E 0x8 |
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#define IMMU_E 0x4 |
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//typedef struct SparcMMU
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union {
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uint64_t immuregs[16];
|
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struct {
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uint64_t tsb_tag_target; |
344 |
uint64_t unused_mmu_primary_context; // use DMMU
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uint64_t unused_mmu_secondary_context; // use DMMU
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uint64_t sfsr; |
347 |
uint64_t sfar; |
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uint64_t tsb; |
349 |
uint64_t tag_access; |
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} immu; |
351 |
}; |
352 |
union {
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uint64_t dmmuregs[16];
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struct {
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uint64_t tsb_tag_target; |
356 |
uint64_t mmu_primary_context; |
357 |
uint64_t mmu_secondary_context; |
358 |
uint64_t sfsr; |
359 |
uint64_t sfar; |
360 |
uint64_t tsb; |
361 |
uint64_t tag_access; |
362 |
} dmmu; |
363 |
}; |
364 |
SparcTLBEntry itlb[64];
|
365 |
SparcTLBEntry dtlb[64];
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uint32_t mmu_version; |
367 |
#else
|
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uint32_t mmuregs[32];
|
369 |
uint64_t mxccdata[4];
|
370 |
uint64_t mxccregs[8];
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371 |
uint64_t mmubpregs[4];
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372 |
uint64_t prom_addr; |
373 |
#endif
|
374 |
/* temporary float registers */
|
375 |
float64 dt0, dt1; |
376 |
float128 qt0, qt1; |
377 |
float_status fp_status; |
378 |
#if defined(TARGET_SPARC64)
|
379 |
#define MAXTL_MAX 8 |
380 |
#define MAXTL_MASK (MAXTL_MAX - 1) |
381 |
trap_state ts[MAXTL_MAX]; |
382 |
uint32_t xcc; /* Extended integer condition codes */
|
383 |
uint32_t asi; |
384 |
uint32_t pstate; |
385 |
uint32_t tl; |
386 |
uint32_t maxtl; |
387 |
uint32_t cansave, canrestore, otherwin, wstate, cleanwin; |
388 |
uint64_t agregs[8]; /* alternate general registers */ |
389 |
uint64_t bgregs[8]; /* backup for normal global registers */ |
390 |
uint64_t igregs[8]; /* interrupt general registers */ |
391 |
uint64_t mgregs[8]; /* mmu general registers */ |
392 |
uint64_t fprs; |
393 |
uint64_t tick_cmpr, stick_cmpr; |
394 |
void *tick, *stick;
|
395 |
uint64_t gsr; |
396 |
uint32_t gl; // UA2005
|
397 |
/* UA 2005 hyperprivileged registers */
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uint64_t hpstate, htstate[MAXTL_MAX], hintp, htba, hver, hstick_cmpr, ssr; |
399 |
void *hstick; // UA 2005 |
400 |
uint32_t softint; |
401 |
#define SOFTINT_TIMER 1 |
402 |
#define SOFTINT_STIMER (1 << 16) |
403 |
#endif
|
404 |
sparc_def_t *def; |
405 |
} CPUSPARCState; |
406 |
|
407 |
/* helper.c */
|
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CPUSPARCState *cpu_sparc_init(const char *cpu_model); |
409 |
void cpu_sparc_set_id(CPUSPARCState *env, unsigned int cpu); |
410 |
void sparc_cpu_list (FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, |
411 |
...)); |
412 |
void cpu_lock(void); |
413 |
void cpu_unlock(void); |
414 |
int cpu_sparc_handle_mmu_fault(CPUSPARCState *env1, target_ulong address, int rw, |
415 |
int mmu_idx, int is_softmmu); |
416 |
#define cpu_handle_mmu_fault cpu_sparc_handle_mmu_fault
|
417 |
target_ulong mmu_probe(CPUSPARCState *env, target_ulong address, int mmulev);
|
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void dump_mmu(CPUSPARCState *env);
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419 |
|
420 |
/* translate.c */
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421 |
void gen_intermediate_code_init(CPUSPARCState *env);
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422 |
|
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/* cpu-exec.c */
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int cpu_sparc_exec(CPUSPARCState *s);
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425 |
|
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#if !defined (TARGET_SPARC64)
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#define GET_PSR(env) (env->version | (env->psr & PSR_ICC) | \
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(env->psref? PSR_EF : 0) | \
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(env->psrpil << 8) | \
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(env->psrs? PSR_S : 0) | \
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(env->psrps? PSR_PS : 0) | \
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(env->psret? PSR_ET : 0) | env->cwp)
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#else
|
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#define GET_PSR(env) (env->version | (env->psr & PSR_ICC) | \
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(env->psref? PSR_EF : 0) | \
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(env->psrpil << 8) | \
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437 |
(env->psrs? PSR_S : 0) | \
|
438 |
(env->psrps? PSR_PS : 0) | \
|
439 |
env->cwp) |
440 |
#endif
|
441 |
|
442 |
#ifndef NO_CPU_IO_DEFS
|
443 |
|
444 |
static inline int cpu_cwp_inc(CPUSPARCState *env1, int cwp) |
445 |
{ |
446 |
if (unlikely(cwp >= env1->nwindows))
|
447 |
cwp -= env1->nwindows; |
448 |
return cwp;
|
449 |
} |
450 |
|
451 |
static inline int cpu_cwp_dec(CPUSPARCState *env1, int cwp) |
452 |
{ |
453 |
if (unlikely(cwp < 0)) |
454 |
cwp += env1->nwindows; |
455 |
return cwp;
|
456 |
} |
457 |
#endif
|
458 |
|
459 |
static inline void memcpy32(target_ulong *dst, const target_ulong *src) |
460 |
{ |
461 |
dst[0] = src[0]; |
462 |
dst[1] = src[1]; |
463 |
dst[2] = src[2]; |
464 |
dst[3] = src[3]; |
465 |
dst[4] = src[4]; |
466 |
dst[5] = src[5]; |
467 |
dst[6] = src[6]; |
468 |
dst[7] = src[7]; |
469 |
} |
470 |
|
471 |
static inline void cpu_set_cwp(CPUSPARCState *env1, int new_cwp) |
472 |
{ |
473 |
/* put the modified wrap registers at their proper location */
|
474 |
if (env1->cwp == env1->nwindows - 1) |
475 |
memcpy32(env1->regbase, env1->regbase + env1->nwindows * 16);
|
476 |
env1->cwp = new_cwp; |
477 |
/* put the wrap registers at their temporary location */
|
478 |
if (new_cwp == env1->nwindows - 1) |
479 |
memcpy32(env1->regbase + env1->nwindows * 16, env1->regbase);
|
480 |
env1->regwptr = env1->regbase + (new_cwp * 16);
|
481 |
} |
482 |
|
483 |
/* sun4m.c, sun4u.c */
|
484 |
void cpu_check_irqs(CPUSPARCState *env);
|
485 |
|
486 |
static inline void PUT_PSR(CPUSPARCState *env1, target_ulong val) |
487 |
{ |
488 |
env1->psr = val & PSR_ICC; |
489 |
env1->psref = (val & PSR_EF)? 1 : 0; |
490 |
env1->psrpil = (val & PSR_PIL) >> 8;
|
491 |
#if ((!defined (TARGET_SPARC64)) && !defined(CONFIG_USER_ONLY))
|
492 |
cpu_check_irqs(env1); |
493 |
#endif
|
494 |
env1->psrs = (val & PSR_S)? 1 : 0; |
495 |
env1->psrps = (val & PSR_PS)? 1 : 0; |
496 |
#if !defined (TARGET_SPARC64)
|
497 |
env1->psret = (val & PSR_ET)? 1 : 0; |
498 |
#endif
|
499 |
cpu_set_cwp(env1, val & PSR_CWP); |
500 |
env1->cc_op = CC_OP_FLAGS; |
501 |
} |
502 |
|
503 |
#ifdef TARGET_SPARC64
|
504 |
#define GET_CCR(env) (((env->xcc >> 20) << 4) | ((env->psr & PSR_ICC) >> 20)) |
505 |
#define PUT_CCR(env, val) do { int _tmp = val; \ |
506 |
env->xcc = (_tmp >> 4) << 20; \ |
507 |
env->psr = (_tmp & 0xf) << 20; \ |
508 |
CC_OP = CC_OP_FLAGS; \ |
509 |
} while (0) |
510 |
#define GET_CWP64(env) (env->nwindows - 1 - (env)->cwp) |
511 |
|
512 |
#ifndef NO_CPU_IO_DEFS
|
513 |
static inline void PUT_CWP64(CPUSPARCState *env1, int cwp) |
514 |
{ |
515 |
if (unlikely(cwp >= env1->nwindows || cwp < 0)) |
516 |
cwp = 0;
|
517 |
cpu_set_cwp(env1, env1->nwindows - 1 - cwp);
|
518 |
} |
519 |
#endif
|
520 |
#endif
|
521 |
|
522 |
/* cpu-exec.c */
|
523 |
void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec, |
524 |
int is_asi, int size); |
525 |
int cpu_sparc_signal_handler(int host_signum, void *pinfo, void *puc); |
526 |
|
527 |
#define cpu_init cpu_sparc_init
|
528 |
#define cpu_exec cpu_sparc_exec
|
529 |
#define cpu_gen_code cpu_sparc_gen_code
|
530 |
#define cpu_signal_handler cpu_sparc_signal_handler
|
531 |
#define cpu_list sparc_cpu_list
|
532 |
|
533 |
#define CPU_SAVE_VERSION 5 |
534 |
|
535 |
/* MMU modes definitions */
|
536 |
#define MMU_MODE0_SUFFIX _user
|
537 |
#define MMU_MODE1_SUFFIX _kernel
|
538 |
#ifdef TARGET_SPARC64
|
539 |
#define MMU_MODE2_SUFFIX _hypv
|
540 |
#endif
|
541 |
#define MMU_USER_IDX 0 |
542 |
#define MMU_KERNEL_IDX 1 |
543 |
#define MMU_HYPV_IDX 2 |
544 |
|
545 |
static inline int cpu_mmu_index(CPUState *env1) |
546 |
{ |
547 |
#if defined(CONFIG_USER_ONLY)
|
548 |
return MMU_USER_IDX;
|
549 |
#elif !defined(TARGET_SPARC64)
|
550 |
return env1->psrs;
|
551 |
#else
|
552 |
if (!env1->psrs)
|
553 |
return MMU_USER_IDX;
|
554 |
else if ((env1->hpstate & HS_PRIV) == 0) |
555 |
return MMU_KERNEL_IDX;
|
556 |
else
|
557 |
return MMU_HYPV_IDX;
|
558 |
#endif
|
559 |
} |
560 |
|
561 |
static inline int cpu_fpu_enabled(CPUState *env1) |
562 |
{ |
563 |
#if defined(CONFIG_USER_ONLY)
|
564 |
return 1; |
565 |
#elif !defined(TARGET_SPARC64)
|
566 |
return env1->psref;
|
567 |
#else
|
568 |
return ((env1->pstate & PS_PEF) != 0) && ((env1->fprs & FPRS_FEF) != 0); |
569 |
#endif
|
570 |
} |
571 |
|
572 |
#if defined(CONFIG_USER_ONLY)
|
573 |
static inline void cpu_clone_regs(CPUState *env, target_ulong newsp) |
574 |
{ |
575 |
if (newsp)
|
576 |
env->regwptr[22] = newsp;
|
577 |
env->regwptr[0] = 0; |
578 |
/* FIXME: Do we also need to clear CF? */
|
579 |
/* XXXXX */
|
580 |
printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
|
581 |
} |
582 |
#endif
|
583 |
|
584 |
#include "cpu-all.h" |
585 |
#include "exec-all.h" |
586 |
|
587 |
#ifdef TARGET_SPARC64
|
588 |
/* sun4u.c */
|
589 |
void cpu_tick_set_count(void *opaque, uint64_t count); |
590 |
uint64_t cpu_tick_get_count(void *opaque);
|
591 |
void cpu_tick_set_limit(void *opaque, uint64_t limit); |
592 |
trap_state* cpu_tsptr(CPUState* env); |
593 |
#endif
|
594 |
|
595 |
static inline void cpu_pc_from_tb(CPUState *env, TranslationBlock *tb) |
596 |
{ |
597 |
env->pc = tb->pc; |
598 |
env->npc = tb->cs_base; |
599 |
} |
600 |
|
601 |
static inline void cpu_get_tb_cpu_state(CPUState *env, target_ulong *pc, |
602 |
target_ulong *cs_base, int *flags)
|
603 |
{ |
604 |
*pc = env->pc; |
605 |
*cs_base = env->npc; |
606 |
#ifdef TARGET_SPARC64
|
607 |
// AM . Combined FPU enable bits . PRIV . DMMU enabled . IMMU enabled
|
608 |
*flags = ((env->pstate & PS_AM) << 2)
|
609 |
| (((env->pstate & PS_PEF) >> 1) | ((env->fprs & FPRS_FEF) << 2)) |
610 |
| (env->pstate & PS_PRIV) | ((env->lsu & (DMMU_E | IMMU_E)) >> 2);
|
611 |
#else
|
612 |
// FPU enable . Supervisor
|
613 |
*flags = (env->psref << 4) | env->psrs;
|
614 |
#endif
|
615 |
} |
616 |
|
617 |
#endif
|