41#include "base/misc.hh" 42#include "base/trace.hh" 43#include "mem/packet.hh" 44 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 /* WriteReq */ 63 { SET5(IsWrite, NeedsExclusive, IsRequest, NeedsResponse, HasData), 64 WriteResp, "WriteReq" }, 65 /* WriteResp */ 66 { SET3(IsWrite, NeedsExclusive, IsResponse), InvalidCmd, "WriteResp" }, 67 /* Writeback */ 68 { SET4(IsWrite, NeedsExclusive, IsRequest, HasData), 69 InvalidCmd, "Writeback" }, 70 /* SoftPFReq */ 71 { SET4(IsRead, IsRequest, IsSWPrefetch, NeedsResponse), 72 SoftPFResp, "SoftPFReq" }, 73 /* HardPFReq */ 74 { SET4(IsRead, IsRequest, IsHWPrefetch, NeedsResponse), 75 HardPFResp, "HardPFReq" }, 76 /* SoftPFResp */ 77 { SET4(IsRead, IsResponse, IsSWPrefetch, HasData), 78 InvalidCmd, "SoftPFResp" }, 79 /* HardPFResp */ 80 { SET4(IsRead, IsResponse, IsHWPrefetch, HasData), 81 InvalidCmd, "HardPFResp" }, 82 /* WriteInvalidateReq */ 83 { SET6(IsWrite, NeedsExclusive, IsInvalidate, 84 IsRequest, HasData, NeedsResponse), 85 WriteInvalidateResp, "WriteInvalidateReq" }, 86 /* WriteInvalidateResp */ 87 { SET4(IsWrite, NeedsExclusive, IsInvalidate, IsResponse), 88 InvalidCmd, "WriteInvalidateResp" }, 89 /* UpgradeReq */ 90 { SET4(IsInvalidate, NeedsExclusive, IsRequest, NeedsResponse), 91 UpgradeResp, "UpgradeReq" }, 92 /* UpgradeResp */ 93 { SET3(IsInvalidate, NeedsExclusive, IsResponse), 94 InvalidCmd, "UpgradeResp" }, 95 /* ReadExReq */ 96 { SET5(IsRead, NeedsExclusive, IsInvalidate, IsRequest, NeedsResponse), 97 ReadExResp, "ReadExReq" }, 98 /* ReadExResp */ 99 { SET5(IsRead, NeedsExclusive, IsInvalidate, IsResponse, HasData), 100 InvalidCmd, "ReadExResp" }, 101 /* LoadLockedReq */ 102 { SET4(IsRead, IsLocked, IsRequest, NeedsResponse), 103 LoadLockedResp, "LoadLockedReq" }, 104 /* LoadLockedResp */ 105 { SET4(IsRead, IsLocked, IsResponse, HasData), 106 InvalidCmd, "LoadLockedResp" }, 107 /* StoreCondReq */ 108 { SET6(IsWrite, NeedsExclusive, IsLocked, 109 IsRequest, NeedsResponse, HasData), 110 StoreCondResp, "StoreCondReq" }, 111 /* StoreCondResp */ 112 { SET4(IsWrite, NeedsExclusive, IsLocked, IsResponse), 113 InvalidCmd, "StoreCondResp" }, 114 /* SwapReq -- for Swap ldstub type operations */ 115 { SET6(IsRead, IsWrite, NeedsExclusive, IsRequest, HasData, NeedsResponse), 116 SwapResp, "SwapReq" }, 117 /* SwapResp -- for Swap ldstub type operations */ 118 { SET5(IsRead, IsWrite, NeedsExclusive, IsResponse, HasData), 119 InvalidCmd, "SwapResp" }, 120 /* NetworkNackError -- nacked at network layer (not by protocol) */ 121 { SET2(IsResponse, IsError), InvalidCmd, "NetworkNackError" }, 122 /* InvalidDestError -- packet dest field invalid */ 123 { SET2(IsResponse, IsError), InvalidCmd, "InvalidDestError" }, 124 /* BadAddressError -- memory address invalid */
|