diff options
Diffstat (limited to 'target/i386/cpu.h')
| -rw-r--r-- | target/i386/cpu.h | 43 |
1 files changed, 31 insertions, 12 deletions
diff --git a/target/i386/cpu.h b/target/i386/cpu.h index 76f2444..9866595 100644 --- a/target/i386/cpu.h +++ b/target/i386/cpu.h @@ -23,7 +23,9 @@ #include "system/tcg.h" #include "cpu-qom.h" #include "kvm/hyperv-proto.h" +#include "exec/cpu-common.h" #include "exec/cpu-defs.h" +#include "exec/cpu-interrupt.h" #include "exec/memop.h" #include "hw/i386/topology.h" #include "qapi/qapi-types-common.h" @@ -33,8 +35,6 @@ #define XEN_NR_VIRQS 24 -#define KVM_HAVE_MCE_INJECTION 1 - /* support for self modifying code even if the modified instruction is close to the modifying instruction */ #define TARGET_HAS_PRECISE_SMC @@ -1610,8 +1610,6 @@ typedef struct { #define MAX_FIXED_COUNTERS 3 #define MAX_GP_COUNTERS (MSR_IA32_PERF_STATUS - MSR_P6_EVNTSEL0) -#define TARGET_INSN_START_EXTRA_WORDS 1 - #define NB_OPMASK_REGS 8 /* CPU can't have 0xFFFFFFFF APIC ID, use that value to distinguish @@ -1811,10 +1809,10 @@ typedef struct CPUCaches { CPUCacheInfo *l3_cache; } CPUCaches; -typedef struct HVFX86LazyFlags { +typedef struct X86LazyFlags { target_ulong result; target_ulong auxbits; -} HVFX86LazyFlags; +} X86LazyFlags; typedef struct CPUArchState { /* standard registers */ @@ -2108,8 +2106,8 @@ typedef struct CPUArchState { QemuMutex xen_timers_lock; #endif #if defined(CONFIG_HVF) - HVFX86LazyFlags hvf_lflags; - void *hvf_mmio_buf; + X86LazyFlags lflags; + void *emu_mmio_buf; #endif uint64_t mcg_cap; @@ -2597,15 +2595,11 @@ static inline bool is_mmu_index_32(int mmu_index) return mmu_index & 1; } -int x86_mmu_index_pl(CPUX86State *env, unsigned pl); -int cpu_mmu_index_kernel(CPUX86State *env); - #define CC_DST (env->cc_dst) #define CC_SRC (env->cc_src) #define CC_SRC2 (env->cc_src2) #define CC_OP (env->cc_op) -#include "exec/cpu-all.h" #include "svm.h" #if !defined(CONFIG_USER_ONLY) @@ -2843,4 +2837,29 @@ static inline bool ctl_has_irq(CPUX86State *env) # define TARGET_VSYSCALL_PAGE (UINT64_C(-10) << 20) #endif +/* majority(NOT a, b, c) = (a ^ b) ? b : c */ +#define MAJ_INV1(a, b, c) ((((a) ^ (b)) & ((b) ^ (c))) ^ (c)) + +/* + * ADD_COUT_VEC(x, y) = majority((x + y) ^ x ^ y, x, y) + * + * If two corresponding bits in x and y are the same, that's the carry + * independent of the value (x+y)^x^y. Hence x^y can be replaced with + * 1 in (x+y)^x^y, resulting in majority(NOT (x+y), x, y) + */ +#define ADD_COUT_VEC(op1, op2, result) \ + MAJ_INV1(result, op1, op2) + +/* + * SUB_COUT_VEC(x, y) = NOT majority(x, NOT y, (x - y) ^ x ^ NOT y) + * = majority(NOT x, y, (x - y) ^ x ^ y) + * + * Note that the carry out is actually a borrow, i.e. it is inverted. + * If two corresponding bits in x and y are different, the value of the + * bit in (x-y)^x^y likewise does not matter. Hence, x^y can be replaced + * with 0 in (x-y)^x^y, resulting in majority(NOT x, y, x-y) + */ +#define SUB_COUT_VEC(op1, op2, result) \ + MAJ_INV1(op1, op2, result) + #endif /* I386_CPU_H */ |