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-rw-r--r--arch/arm64/kernel/entry-fpsimd.S43
1 files changed, 3 insertions, 40 deletions
diff --git a/arch/arm64/kernel/entry-fpsimd.S b/arch/arm64/kernel/entry-fpsimd.S
index 17988a6e7ea2..6a27cd6dbfa6 100644
--- a/arch/arm64/kernel/entry-fpsimd.S
+++ b/arch/arm64/kernel/entry-fpsimd.S
@@ -20,6 +20,7 @@
20#include <linux/linkage.h> 20#include <linux/linkage.h>
21 21
22#include <asm/assembler.h> 22#include <asm/assembler.h>
23#include <asm/fpsimdmacros.h>
23 24
24/* 25/*
25 * Save the FP registers. 26 * Save the FP registers.
@@ -27,26 +28,7 @@
27 * x0 - pointer to struct fpsimd_state 28 * x0 - pointer to struct fpsimd_state
28 */ 29 */
29ENTRY(fpsimd_save_state) 30ENTRY(fpsimd_save_state)
30 stp q0, q1, [x0, #16 * 0] 31 fpsimd_save x0, 8
31 stp q2, q3, [x0, #16 * 2]
32 stp q4, q5, [x0, #16 * 4]
33 stp q6, q7, [x0, #16 * 6]
34 stp q8, q9, [x0, #16 * 8]
35 stp q10, q11, [x0, #16 * 10]
36 stp q12, q13, [x0, #16 * 12]
37 stp q14, q15, [x0, #16 * 14]
38 stp q16, q17, [x0, #16 * 16]
39 stp q18, q19, [x0, #16 * 18]
40 stp q20, q21, [x0, #16 * 20]
41 stp q22, q23, [x0, #16 * 22]
42 stp q24, q25, [x0, #16 * 24]
43 stp q26, q27, [x0, #16 * 26]
44 stp q28, q29, [x0, #16 * 28]
45 stp q30, q31, [x0, #16 * 30]!
46 mrs x8, fpsr
47 str w8, [x0, #16 * 2]
48 mrs x8, fpcr
49 str w8, [x0, #16 * 2 + 4]
50 ret 32 ret
51ENDPROC(fpsimd_save_state) 33ENDPROC(fpsimd_save_state)
52 34
@@ -56,25 +38,6 @@ ENDPROC(fpsimd_save_state)
56 * x0 - pointer to struct fpsimd_state 38 * x0 - pointer to struct fpsimd_state
57 */ 39 */
58ENTRY(fpsimd_load_state) 40ENTRY(fpsimd_load_state)
59 ldp q0, q1, [x0, #16 * 0] 41 fpsimd_restore x0, 8
60 ldp q2, q3, [x0, #16 * 2]
61 ldp q4, q5, [x0, #16 * 4]
62 ldp q6, q7, [x0, #16 * 6]
63 ldp q8, q9, [x0, #16 * 8]
64 ldp q10, q11, [x0, #16 * 10]
65 ldp q12, q13, [x0, #16 * 12]
66 ldp q14, q15, [x0, #16 * 14]
67 ldp q16, q17, [x0, #16 * 16]
68 ldp q18, q19, [x0, #16 * 18]
69 ldp q20, q21, [x0, #16 * 20]
70 ldp q22, q23, [x0, #16 * 22]
71 ldp q24, q25, [x0, #16 * 24]
72 ldp q26, q27, [x0, #16 * 26]
73 ldp q28, q29, [x0, #16 * 28]
74 ldp q30, q31, [x0, #16 * 30]!
75 ldr w8, [x0, #16 * 2]
76 ldr w9, [x0, #16 * 2 + 4]
77 msr fpsr, x8
78 msr fpcr, x9
79 ret 42 ret
80ENDPROC(fpsimd_load_state) 43ENDPROC(fpsimd_load_state)