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authorAndrew Waterman <andrew@sifive.com>2016-11-10 13:40:37 -0800
committerAndrew Waterman <andrew@sifive.com>2016-11-10 13:40:37 -0800
commitbf8d2b71bb76b03b9a4db36fe6928c29a41a43e7 (patch)
tree7511583efc9104a4309a9238ea6ed0aa60c19cd7 /riscv/insns/amoswap_d.h
parentecff67fb34d50cc80822301f4de986be96da971c (diff)
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AMOs should always return store faults, not load faults
This commit also factors out the common AMO code into mmu_t.
Diffstat (limited to 'riscv/insns/amoswap_d.h')
-rw-r--r--riscv/insns/amoswap_d.h4
1 files changed, 1 insertions, 3 deletions
diff --git a/riscv/insns/amoswap_d.h b/riscv/insns/amoswap_d.h
index 8cf1411..e1bffde 100644
--- a/riscv/insns/amoswap_d.h
+++ b/riscv/insns/amoswap_d.h
@@ -1,5 +1,3 @@
require_extension('A');
require_rv64;
-reg_t v = MMU.load_uint64(RS1);
-MMU.store_uint64(RS1, RS2);
-WRITE_RD(v);
+WRITE_RD(MMU.amo_uint64(RS1, [&](uint64_t lhs) { return RS2; }));