git: 5be27cbf16c8 - main - arm64: implement COMPAT_FREEBSD32 fill/set dbregs/fpregs
Ed Maste
emaste at FreeBSD.org
Wed Mar 17 20:48:41 UTC 2021
The branch main has been updated by emaste:
URL: https://cgit.FreeBSD.org/src/commit/?id=5be27cbf16c85ce95d21db57349f61494f851821
commit 5be27cbf16c85ce95d21db57349f61494f851821
Author: Ed Maste <emaste at FreeBSD.org>
AuthorDate: 2021-03-17 14:10:41 +0000
Commit: Ed Maste <emaste at FreeBSD.org>
CommitDate: 2021-03-17 20:46:50 +0000
arm64: implement COMPAT_FREEBSD32 fill/set dbregs/fpregs
On FreeBSD/arm fill_fpregs, fill_dbregs are stubs that zero the reg
struct and return success. set_fpregs and set_dbregs do nothing and
return success.
Provide the same implementation for arm64 COMPAT_FREEBSD32.
Reviewed by: andrew
MFC after: 3 days
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D29314
---
sys/arm64/arm64/machdep.c | 15 +++++++--------
1 file changed, 7 insertions(+), 8 deletions(-)
diff --git a/sys/arm64/arm64/machdep.c b/sys/arm64/arm64/machdep.c
index 97f97392e43f..8a1e7520aacb 100644
--- a/sys/arm64/arm64/machdep.c
+++ b/sys/arm64/arm64/machdep.c
@@ -489,36 +489,35 @@ set_regs32(struct thread *td, struct reg32 *regs)
return (0);
}
+/* XXX fill/set dbregs/fpregs are stubbed on 32-bit arm. */
int
fill_fpregs32(struct thread *td, struct fpreg32 *regs)
{
- printf("ARM64TODO: fill_fpregs32");
- return (EDOOFUS);
+ memset(regs, 0, sizeof(*regs));
+ return (0);
}
int
set_fpregs32(struct thread *td, struct fpreg32 *regs)
{
- printf("ARM64TODO: set_fpregs32");
- return (EDOOFUS);
+ return (0);
}
int
fill_dbregs32(struct thread *td, struct dbreg32 *regs)
{
- printf("ARM64TODO: fill_dbregs32");
- return (EDOOFUS);
+ memset(regs, 0, sizeof(*regs));
+ return (0);
}
int
set_dbregs32(struct thread *td, struct dbreg32 *regs)
{
- printf("ARM64TODO: set_dbregs32");
- return (EDOOFUS);
+ return (0);
}
#endif
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