Zack McKevitt has uploaded this change for review. (
https://gem5-review.googlesource.com/c/public/gem5/+/71958?usp=email )
Change subject: arch-riscv: Implemented zicbom/zicboz extensions for RISC V
......................................................................
arch-riscv: Implemented zicbom/zicboz extensions for RISC V
Change-Id: I79d0e6059a2dbb5a0057c4f7489b999f9e803684
---
M src/arch/riscv/isa/decoder.isa
M src/arch/riscv/isa/formats/mem.isa
2 files changed, 24 insertions(+), 0 deletions(-)
diff --git a/src/arch/riscv/isa/decoder.isa b/src/arch/riscv/isa/decoder.isa
index a339c11..cf55a4a 100644
--- a/src/arch/riscv/isa/decoder.isa
+++ b/src/arch/riscv/isa/decoder.isa
@@ -509,6 +509,23 @@
0x1: fence_i({{
}}, uint64_t, IsNonSpeculative, IsSerializeAfter,
No_OpClass);
}
+
+ 0x2: decode FUNCT12 {
+ format CBMOp {
+ 0x0: cbo_inval({{
+ Mem = 0;
+ }}, mem_flags=[INVALIDATE, DST_POC]);
+ 0x1: cbo_clean({{
+ Mem = 0;
+ }}, mem_flags=[CLEAN, DST_POC]);
+ 0x2: cbo_flush({{
+ Mem = 0;
+ }}, mem_flags=[CLEAN, INVALIDATE, DST_POC]);
+ 0x4: cbo_zero({{
+ Mem = 0;
+ }}, mem_flags=[CACHE_BLOCK_ZERO]);
+ }
+ }
}
0x04: decode FUNCT3 {
diff --git a/src/arch/riscv/isa/formats/mem.isa
b/src/arch/riscv/isa/formats/mem.isa
index 0d80260..7cec113 100644
--- a/src/arch/riscv/isa/formats/mem.isa
+++ b/src/arch/riscv/isa/formats/mem.isa
@@ -243,3 +243,10 @@
LoadStoreBase(name, Name, offset_code, ea_code, memacc_code,
mem_flags,
inst_flags, 'Store', exec_template_base='Store')
}};
+
+def format CBMOp(memacc_code, ea_code={{EA = rvZext(Rs1 + offset);}},
+ offset_code={{offset = 0;}}, mem_flags=[], inst_flags=[]) {{
+ (header_output, decoder_output, decode_block, exec_output) = \
+ LoadStoreBase(name, Name, offset_code, ea_code, memacc_code,
mem_flags,
+ inst_flags, 'Store', exec_template_base='Store')
+}};
--
To view, visit
https://gem5-review.googlesource.com/c/public/gem5/+/71958?usp=email
To unsubscribe, or for help writing mail filters, visit
https://gem5-review.googlesource.com/settings?usp=email
Gerrit-MessageType: newchange
Gerrit-Project: public/gem5
Gerrit-Branch: develop
Gerrit-Change-Id: I79d0e6059a2dbb5a0057c4f7489b999f9e803684
Gerrit-Change-Number: 71958
Gerrit-PatchSet: 1
Gerrit-Owner: Zack McKevitt <zack.mckev...@gmail.com>
_______________________________________________
gem5-dev mailing list -- gem5-dev@gem5.org
To unsubscribe send an email to gem5-dev-le...@gem5.org
