summaryrefslogtreecommitdiff
path: root/src/mem/protocol/MESI_CMP_directory-L1cache.sm
diff options
context:
space:
mode:
authorBrad Beckmann <Brad.Beckmann@amd.com>2011-02-22 11:16:40 -0800
committerBrad Beckmann <Brad.Beckmann@amd.com>2011-02-22 11:16:40 -0800
commit63a25a56ccc93c24703fec87f830c833974e7060 (patch)
treea0f12244a32eb7da2963ca974ab49a993aee2cfc /src/mem/protocol/MESI_CMP_directory-L1cache.sm
parent8ea71c3907a411de9c203b45bfd6eab24e3ad849 (diff)
parent77eed184f529c4ccbef59ad2018d18ff3fbb54af (diff)
downloadgem5-63a25a56ccc93c24703fec87f830c833974e7060.tar.xz
m5: merged in hammer fix
Diffstat (limited to 'src/mem/protocol/MESI_CMP_directory-L1cache.sm')
-rw-r--r--src/mem/protocol/MESI_CMP_directory-L1cache.sm35
1 files changed, 19 insertions, 16 deletions
diff --git a/src/mem/protocol/MESI_CMP_directory-L1cache.sm b/src/mem/protocol/MESI_CMP_directory-L1cache.sm
index 8744a7122..4442cee41 100644
--- a/src/mem/protocol/MESI_CMP_directory-L1cache.sm
+++ b/src/mem/protocol/MESI_CMP_directory-L1cache.sm
@@ -287,20 +287,21 @@ machine(L1Cache, "MSI Directory L1 Cache CMP")
if (in_msg.Type == CacheRequestType:IFETCH) {
// ** INSTRUCTION ACCESS ***
- // Check to see if it is in the OTHER L1
- Entry L1Dcache_entry := getL1DCacheEntry(in_msg.LineAddress);
- if (is_valid(L1Dcache_entry)) {
- // The block is in the wrong L1, put the request on the queue to the shared L2
- trigger(Event:L1_Replacement, in_msg.LineAddress,
- L1Dcache_entry, L1_TBEs[in_msg.LineAddress]);
- }
-
Entry L1Icache_entry := getL1ICacheEntry(in_msg.LineAddress);
if (is_valid(L1Icache_entry)) {
// The tag matches for the L1, so the L1 asks the L2 for it.
trigger(mandatory_request_type_to_event(in_msg.Type), in_msg.LineAddress,
L1Icache_entry, L1_TBEs[in_msg.LineAddress]);
} else {
+
+ // Check to see if it is in the OTHER L1
+ Entry L1Dcache_entry := getL1DCacheEntry(in_msg.LineAddress);
+ if (is_valid(L1Dcache_entry)) {
+ // The block is in the wrong L1, put the request on the queue to the shared L2
+ trigger(Event:L1_Replacement, in_msg.LineAddress,
+ L1Dcache_entry, L1_TBEs[in_msg.LineAddress]);
+ }
+
if (L1IcacheMemory.cacheAvail(in_msg.LineAddress)) {
// L1 does't have the line, but we have space for it in the L1 so let's see if the L2 has it
trigger(mandatory_request_type_to_event(in_msg.Type), in_msg.LineAddress,
@@ -313,21 +314,23 @@ machine(L1Cache, "MSI Directory L1 Cache CMP")
}
}
} else {
- // *** DATA ACCESS ***
- // Check to see if it is in the OTHER L1
- Entry L1Icache_entry := getL1ICacheEntry(in_msg.LineAddress);
- if (is_valid(L1Icache_entry)) {
- // The block is in the wrong L1, put the request on the queue to the shared L2
- trigger(Event:L1_Replacement, in_msg.LineAddress,
- L1Icache_entry, L1_TBEs[in_msg.LineAddress]);
- }
+ // *** DATA ACCESS ***
Entry L1Dcache_entry := getL1DCacheEntry(in_msg.LineAddress);
if (is_valid(L1Dcache_entry)) {
// The tag matches for the L1, so the L1 ask the L2 for it
trigger(mandatory_request_type_to_event(in_msg.Type), in_msg.LineAddress,
L1Dcache_entry, L1_TBEs[in_msg.LineAddress]);
} else {
+
+ // Check to see if it is in the OTHER L1
+ Entry L1Icache_entry := getL1ICacheEntry(in_msg.LineAddress);
+ if (is_valid(L1Icache_entry)) {
+ // The block is in the wrong L1, put the request on the queue to the shared L2
+ trigger(Event:L1_Replacement, in_msg.LineAddress,
+ L1Icache_entry, L1_TBEs[in_msg.LineAddress]);
+ }
+
if (L1DcacheMemory.cacheAvail(in_msg.LineAddress)) {
// L1 does't have the line, but we have space for it in the L1 let's see if the L2 has it
trigger(mandatory_request_type_to_event(in_msg.Type), in_msg.LineAddress,