diff options
| author | Anup Patel <anup.patel@wdc.com> | 2020-05-28 08:37:42 +0530 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2020-06-08 15:41:23 +0530 |
| commit | 1b8c0128f1d79d69ea0a46b758fef4be8dc0a73e (patch) | |
| tree | f7f5a322710d6cd9638444b1130b1662c883f459 /lib/sbi/sbi_hart.c | |
| parent | 51f0e4a0533fe8b5d713379ab3a6cb676add82da (diff) | |
lib: Add RISC-V hypervisor v0.6.1 support
To support RISC-V hypervisor v0.6.1, we:
1. Don't need to explicitly forward WFI traps from VS/VU-mode
2. Have to delegate virtual instruction trap to HS-mode
3. Have to update trap redirection for changes in HSTATUS CSR
Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
Diffstat (limited to 'lib/sbi/sbi_hart.c')
| -rw-r--r-- | lib/sbi/sbi_hart.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/sbi/sbi_hart.c b/lib/sbi/sbi_hart.c index 5fa30f3..88d0ac8 100644 --- a/lib/sbi/sbi_hart.c +++ b/lib/sbi/sbi_hart.c @@ -110,6 +110,7 @@ static int delegate_traps(struct sbi_scratch *scratch, u32 hartid) exceptions |= (1U << CAUSE_SUPERVISOR_ECALL); exceptions |= (1U << CAUSE_FETCH_GUEST_PAGE_FAULT); exceptions |= (1U << CAUSE_LOAD_GUEST_PAGE_FAULT); + exceptions |= (1U << CAUSE_VIRTUAL_INST_FAULT); exceptions |= (1U << CAUSE_STORE_GUEST_PAGE_FAULT); } |