diff options
| author | Clément Léger <cleger@rivosinc.com> | 2024-11-25 13:53:00 +0300 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2024-12-15 09:23:53 +0300 |
| commit | b47fcd01b3ba0e3ea89f5454456eded04afb93ab (patch) | |
| tree | 562d80b17735cb4c34e2f5d3dcb8122b84e72422 /lib | |
| parent | 851e3010989254e67bf809aa5fc9e90dd7baa487 (diff) | |
| download | opensbi-b47fcd01b3ba0e3ea89f5454456eded04afb93ab.tar.xz | |
lib: sbi: sse: Fix a6 and a7 register content upon injection
The specification states that a6 contains the current hart id and
a7 contains the entry argument. This was inverted in the current
implementation.
Reported-by: Andrew Jones <andrew.jones@linux.dev>
Signed-off-by: Clément Léger <cleger@rivosinc.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/sbi/sbi_sse.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/sbi/sbi_sse.c b/lib/sbi/sbi_sse.c index bf5620e..c9f9a9d 100644 --- a/lib/sbi/sbi_sse.c +++ b/lib/sbi/sbi_sse.c @@ -509,8 +509,8 @@ static void sse_event_inject(struct sbi_sse_event *e, csr_write(CSR_SEPC, regs->mepc); /* Setup entry context */ - regs->a6 = e->attrs.entry.arg; - regs->a7 = current_hartid(); + regs->a6 = current_hartid(); + regs->a7 = e->attrs.entry.arg; regs->mepc = e->attrs.entry.pc; /* Return to S-mode with virtualization disabled */ |