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fix(simd): fix base register in fpregs_context_*

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The fpregs_state_* macros require the base register
to point to the start of the simd_regs_t structure.
The fpregs_context_* functions were passing the
address incorrectly shifted by 512 bytes.

Signed-off-by: Andrei Homescu <ahomescu@google.com>
Change-Id: I757a26f8910c2ab648116e001e06baa3deb2eec4
This commit is contained in:
Andrei Homescu 2024-12-14 14:12:56 +00:00
parent 79e11f5654
commit 09ada2f8d6
1 changed files with 8 additions and 2 deletions
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10
lib/el3_runtime/aarch64/context.S
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@ -75,6 +75,9 @@
*/ */
#if CTX_INCLUDE_FPREGS #if CTX_INCLUDE_FPREGS
func fpregs_context_save func fpregs_context_save
/* Save x0 and pass its original value to fpregs_state_save */
mov x1, x0
stp q0, q1, [x0], #32 stp q0, q1, [x0], #32
stp q2, q3, [x0], #32 stp q2, q3, [x0], #32
stp q4, q5, [x0], #32 stp q4, q5, [x0], #32
@ -92,7 +95,7 @@ func fpregs_context_save
stp q28, q29, [x0], #32 stp q28, q29, [x0], #32
stp q30, q31, [x0], #32 stp q30, q31, [x0], #32
fpregs_state_save x0, x9 fpregs_state_save x1, x9
ret ret
endfunc fpregs_context_save endfunc fpregs_context_save
@ -112,6 +115,9 @@ endfunc fpregs_context_save
* ------------------------------------------------------------------ * ------------------------------------------------------------------
*/ */
func fpregs_context_restore func fpregs_context_restore
/* Save x0 and pass its original value to fpregs_state_restore */
mov x1, x0
ldp q0, q1, [x0], #32 ldp q0, q1, [x0], #32
ldp q2, q3, [x0], #32 ldp q2, q3, [x0], #32
ldp q4, q5, [x0], #32 ldp q4, q5, [x0], #32
@ -129,7 +135,7 @@ func fpregs_context_restore
ldp q28, q29, [x0], #32 ldp q28, q29, [x0], #32
ldp q30, q31, [x0], #32 ldp q30, q31, [x0], #32
fpregs_state_restore x0, x9 fpregs_state_restore x1, x9
ret ret
endfunc fpregs_context_restore endfunc fpregs_context_restore