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[PATCH 2/2] target/riscv/csr: Added the ability to delegate LCOFI to VS


From: Irina Ryapolova
Subject: [PATCH 2/2] target/riscv/csr: Added the ability to delegate LCOFI to VS
Date: Mon, 12 Feb 2024 20:11:56 +0300

From: Vadim Shakirov <vadim.shakirov@syntacore.com>

In the AIA specification in the paragraph "Virtual interrupts for VS level"
it is indicated for interrupts 13-63: if the bit in hideleg is enabled,
then the corresponding vsip and vsie bits are aliases to sip and sie

Signed-off-by: Vadim Shakirov <vadim.shakirov@syntacore.com>
---
 target/riscv/csr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target/riscv/csr.c b/target/riscv/csr.c
index 0c21145eaf..51b1099e10 100644
--- a/target/riscv/csr.c
+++ b/target/riscv/csr.c
@@ -1136,7 +1136,7 @@ static RISCVException write_stimecmph(CPURISCVState *env, 
int csrno,
 static const uint64_t delegable_ints =
     S_MODE_INTERRUPTS | VS_MODE_INTERRUPTS | MIP_LCOFIP;
 static const uint64_t vs_delegable_ints =
-    (VS_MODE_INTERRUPTS | LOCAL_INTERRUPTS) & ~MIP_LCOFIP;
+    VS_MODE_INTERRUPTS | LOCAL_INTERRUPTS;
 static const uint64_t all_ints = M_MODE_INTERRUPTS | S_MODE_INTERRUPTS |
                                      HS_MODE_INTERRUPTS | LOCAL_INTERRUPTS;
 #define DELEGABLE_EXCPS ((1ULL << (RISCV_EXCP_INST_ADDR_MIS)) | \
-- 
2.25.1




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