summaryrefslogtreecommitdiff
path: root/lib
diff options
context:
space:
mode:
authorClément Léger <[email protected]>2024-11-25 11:53:00 +0100
committerAnup Patel <[email protected]>2024-12-15 11:53:53 +0530
commitb47fcd01b3ba0e3ea89f5454456eded04afb93ab (patch)
tree562d80b17735cb4c34e2f5d3dcb8122b84e72422 /lib
parent851e3010989254e67bf809aa5fc9e90dd7baa487 (diff)
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 <[email protected]> Signed-off-by: Clément Léger <[email protected]> Reviewed-by: Anup Patel <[email protected]>
Diffstat (limited to 'lib')
-rw-r--r--lib/sbi/sbi_sse.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/sbi/sbi_sse.c b/lib/sbi/sbi_sse.c
index bf5620e8..c9f9a9dd 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 */