45// The one downside to bitsets is that static initializers can get ugly. 46#define SET1(a1) (1 << (a1)) 47#define SET2(a1, a2) (SET1(a1) | SET1(a2)) 48#define SET3(a1, a2, a3) (SET2(a1, a2) | SET1(a3)) 49#define SET4(a1, a2, a3, a4) (SET3(a1, a2, a3) | SET1(a4)) 50#define SET5(a1, a2, a3, a4, a5) (SET4(a1, a2, a3, a4) | SET1(a5)) 51#define SET6(a1, a2, a3, a4, a5, a6) (SET5(a1, a2, a3, a4, a5) | SET1(a6)) 52 53const MemCmd::CommandInfo 54MemCmd::commandInfo[] = 55{ 56 /* InvalidCmd */ 57 { 0, InvalidCmd, "InvalidCmd" }, 58 /* ReadReq */ 59 { SET3(IsRead, IsRequest, NeedsResponse), ReadResp, "ReadReq" }, 60 /* ReadResp */ 61 { SET3(IsRead, IsResponse, HasData), InvalidCmd, "ReadResp" }, 62 /* ReadRespWithInvalidate */ 63 { SET4(IsRead, IsResponse, HasData, IsInvalidate), 64 InvalidCmd, "ReadRespWithInvalidate" }, 65 /* WriteReq */ 66 { SET5(IsWrite, NeedsExclusive, IsRequest, NeedsResponse, HasData), 67 WriteResp, "WriteReq" }, 68 /* WriteResp */ 69 { SET3(IsWrite, NeedsExclusive, IsResponse), InvalidCmd, "WriteResp" }, 70 /* Writeback */ 71 { SET4(IsWrite, NeedsExclusive, IsRequest, HasData), 72 InvalidCmd, "Writeback" }, 73 /* SoftPFReq */ 74 { SET4(IsRead, IsRequest, IsSWPrefetch, NeedsResponse), 75 SoftPFResp, "SoftPFReq" }, 76 /* HardPFReq */ 77 { SET4(IsRead, IsRequest, IsHWPrefetch, NeedsResponse), 78 HardPFResp, "HardPFReq" }, 79 /* SoftPFResp */ 80 { SET4(IsRead, IsResponse, IsSWPrefetch, HasData), 81 InvalidCmd, "SoftPFResp" }, 82 /* HardPFResp */ 83 { SET4(IsRead, IsResponse, IsHWPrefetch, HasData), 84 InvalidCmd, "HardPFResp" }, 85 /* WriteInvalidateReq */ 86 { SET6(IsWrite, NeedsExclusive, IsInvalidate, 87 IsRequest, HasData, NeedsResponse), 88 WriteInvalidateResp, "WriteInvalidateReq" }, 89 /* WriteInvalidateResp */ 90 { SET3(IsWrite, NeedsExclusive, IsResponse), 91 InvalidCmd, "WriteInvalidateResp" }, 92 /* UpgradeReq */ 93 { SET4(IsInvalidate, NeedsExclusive, IsRequest, NeedsResponse), 94 UpgradeResp, "UpgradeReq" }, 95 /* UpgradeResp */ 96 { SET2(NeedsExclusive, IsResponse), 97 InvalidCmd, "UpgradeResp" }, 98 /* ReadExReq */ 99 { SET5(IsRead, NeedsExclusive, IsInvalidate, IsRequest, NeedsResponse), 100 ReadExResp, "ReadExReq" }, 101 /* ReadExResp */ 102 { SET4(IsRead, NeedsExclusive, IsResponse, HasData), 103 InvalidCmd, "ReadExResp" }, 104 /* LoadLockedReq: note that we use plain ReadResp as response, so that 105 * we can also use ReadRespWithInvalidate when needed */ 106 { SET4(IsRead, IsLocked, IsRequest, NeedsResponse), 107 ReadResp, "LoadLockedReq" }, 108 /* StoreCondReq */ 109 { SET6(IsWrite, NeedsExclusive, IsLocked, 110 IsRequest, NeedsResponse, HasData), 111 StoreCondResp, "StoreCondReq" }, 112 /* StoreCondResp */ 113 { SET4(IsWrite, NeedsExclusive, IsLocked, IsResponse), 114 InvalidCmd, "StoreCondResp" }, 115 /* SwapReq -- for Swap ldstub type operations */ 116 { SET6(IsRead, IsWrite, NeedsExclusive, IsRequest, HasData, NeedsResponse), 117 SwapResp, "SwapReq" }, 118 /* SwapResp -- for Swap ldstub type operations */ 119 { SET5(IsRead, IsWrite, NeedsExclusive, IsResponse, HasData), 120 InvalidCmd, "SwapResp" }, 121 /* IntReq -- for interrupts */ 122 { SET4(IsWrite, IsRequest, NeedsResponse, HasData), 123 MessageReq, "MessageReq" }, 124 /* IntResp -- for interrupts */ 125 { SET2(IsWrite, IsResponse), MessageResp, "MessageResp" }, 126 /* NetworkNackError -- nacked at network layer (not by protocol) */ 127 { SET2(IsResponse, IsError), InvalidCmd, "NetworkNackError" }, 128 /* InvalidDestError -- packet dest field invalid */ 129 { SET2(IsResponse, IsError), InvalidCmd, "InvalidDestError" }, 130 /* BadAddressError -- memory address invalid */ 131 { SET2(IsResponse, IsError), InvalidCmd, "BadAddressError" }, 132 /* PrintReq */ 133 { SET2(IsRequest, IsPrint), InvalidCmd, "PrintReq" } 134}; 135
| 47// The one downside to bitsets is that static initializers can get ugly. 48#define SET1(a1) (1 << (a1)) 49#define SET2(a1, a2) (SET1(a1) | SET1(a2)) 50#define SET3(a1, a2, a3) (SET2(a1, a2) | SET1(a3)) 51#define SET4(a1, a2, a3, a4) (SET3(a1, a2, a3) | SET1(a4)) 52#define SET5(a1, a2, a3, a4, a5) (SET4(a1, a2, a3, a4) | SET1(a5)) 53#define SET6(a1, a2, a3, a4, a5, a6) (SET5(a1, a2, a3, a4, a5) | SET1(a6)) 54 55const MemCmd::CommandInfo 56MemCmd::commandInfo[] = 57{ 58 /* InvalidCmd */ 59 { 0, InvalidCmd, "InvalidCmd" }, 60 /* ReadReq */ 61 { SET3(IsRead, IsRequest, NeedsResponse), ReadResp, "ReadReq" }, 62 /* ReadResp */ 63 { SET3(IsRead, IsResponse, HasData), InvalidCmd, "ReadResp" }, 64 /* ReadRespWithInvalidate */ 65 { SET4(IsRead, IsResponse, HasData, IsInvalidate), 66 InvalidCmd, "ReadRespWithInvalidate" }, 67 /* WriteReq */ 68 { SET5(IsWrite, NeedsExclusive, IsRequest, NeedsResponse, HasData), 69 WriteResp, "WriteReq" }, 70 /* WriteResp */ 71 { SET3(IsWrite, NeedsExclusive, IsResponse), InvalidCmd, "WriteResp" }, 72 /* Writeback */ 73 { SET4(IsWrite, NeedsExclusive, IsRequest, HasData), 74 InvalidCmd, "Writeback" }, 75 /* SoftPFReq */ 76 { SET4(IsRead, IsRequest, IsSWPrefetch, NeedsResponse), 77 SoftPFResp, "SoftPFReq" }, 78 /* HardPFReq */ 79 { SET4(IsRead, IsRequest, IsHWPrefetch, NeedsResponse), 80 HardPFResp, "HardPFReq" }, 81 /* SoftPFResp */ 82 { SET4(IsRead, IsResponse, IsSWPrefetch, HasData), 83 InvalidCmd, "SoftPFResp" }, 84 /* HardPFResp */ 85 { SET4(IsRead, IsResponse, IsHWPrefetch, HasData), 86 InvalidCmd, "HardPFResp" }, 87 /* WriteInvalidateReq */ 88 { SET6(IsWrite, NeedsExclusive, IsInvalidate, 89 IsRequest, HasData, NeedsResponse), 90 WriteInvalidateResp, "WriteInvalidateReq" }, 91 /* WriteInvalidateResp */ 92 { SET3(IsWrite, NeedsExclusive, IsResponse), 93 InvalidCmd, "WriteInvalidateResp" }, 94 /* UpgradeReq */ 95 { SET4(IsInvalidate, NeedsExclusive, IsRequest, NeedsResponse), 96 UpgradeResp, "UpgradeReq" }, 97 /* UpgradeResp */ 98 { SET2(NeedsExclusive, IsResponse), 99 InvalidCmd, "UpgradeResp" }, 100 /* ReadExReq */ 101 { SET5(IsRead, NeedsExclusive, IsInvalidate, IsRequest, NeedsResponse), 102 ReadExResp, "ReadExReq" }, 103 /* ReadExResp */ 104 { SET4(IsRead, NeedsExclusive, IsResponse, HasData), 105 InvalidCmd, "ReadExResp" }, 106 /* LoadLockedReq: note that we use plain ReadResp as response, so that 107 * we can also use ReadRespWithInvalidate when needed */ 108 { SET4(IsRead, IsLocked, IsRequest, NeedsResponse), 109 ReadResp, "LoadLockedReq" }, 110 /* StoreCondReq */ 111 { SET6(IsWrite, NeedsExclusive, IsLocked, 112 IsRequest, NeedsResponse, HasData), 113 StoreCondResp, "StoreCondReq" }, 114 /* StoreCondResp */ 115 { SET4(IsWrite, NeedsExclusive, IsLocked, IsResponse), 116 InvalidCmd, "StoreCondResp" }, 117 /* SwapReq -- for Swap ldstub type operations */ 118 { SET6(IsRead, IsWrite, NeedsExclusive, IsRequest, HasData, NeedsResponse), 119 SwapResp, "SwapReq" }, 120 /* SwapResp -- for Swap ldstub type operations */ 121 { SET5(IsRead, IsWrite, NeedsExclusive, IsResponse, HasData), 122 InvalidCmd, "SwapResp" }, 123 /* IntReq -- for interrupts */ 124 { SET4(IsWrite, IsRequest, NeedsResponse, HasData), 125 MessageReq, "MessageReq" }, 126 /* IntResp -- for interrupts */ 127 { SET2(IsWrite, IsResponse), MessageResp, "MessageResp" }, 128 /* NetworkNackError -- nacked at network layer (not by protocol) */ 129 { SET2(IsResponse, IsError), InvalidCmd, "NetworkNackError" }, 130 /* InvalidDestError -- packet dest field invalid */ 131 { SET2(IsResponse, IsError), InvalidCmd, "InvalidDestError" }, 132 /* BadAddressError -- memory address invalid */ 133 { SET2(IsResponse, IsError), InvalidCmd, "BadAddressError" }, 134 /* PrintReq */ 135 { SET2(IsRequest, IsPrint), InvalidCmd, "PrintReq" } 136}; 137
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