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author | Jiri Kosina <jkosina@suse.cz> | 2023-11-01 02:07:35 +0300 |
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committer | Jiri Kosina <jkosina@suse.cz> | 2023-11-01 02:07:35 +0300 |
commit | 20cd569d7ee8fce24e8753f0f43af6c420557b1f (patch) | |
tree | f559cfda594846795aa51c99d96f92d8c912851a /arch/loongarch/lib/copy_user.S | |
parent | 62cc9c3cb3ec1bf31cc116146185ed97b450836a (diff) | |
parent | eeebfe6259ba2d5b0980eb7b0df384eb77e9e4f5 (diff) | |
download | linux-20cd569d7ee8fce24e8753f0f43af6c420557b1f.tar.xz |
Merge branch 'for-6.7/config_pm' into for-linus
- #ifdef CONFIG_PM removal from HID code (Thomas Weißschuh)
Diffstat (limited to 'arch/loongarch/lib/copy_user.S')
-rw-r--r-- | arch/loongarch/lib/copy_user.S | 161 |
1 files changed, 83 insertions, 78 deletions
diff --git a/arch/loongarch/lib/copy_user.S b/arch/loongarch/lib/copy_user.S index bfe3d2793d00..feec3d362803 100644 --- a/arch/loongarch/lib/copy_user.S +++ b/arch/loongarch/lib/copy_user.S @@ -11,19 +11,6 @@ #include <asm/cpu.h> #include <asm/regdef.h> -.irp to, 0, 1, 2, 3, 4, 5, 6, 7 -.L_fixup_handle_\to\(): - sub.d a0, a2, a0 - addi.d a0, a0, (\to) * (-8) - jr ra -.endr - -.irp to, 0, 2, 4 -.L_fixup_handle_s\to\(): - addi.d a0, a2, -\to - jr ra -.endr - SYM_FUNC_START(__copy_user) /* * Some CPUs support hardware unaligned access @@ -54,8 +41,8 @@ SYM_FUNC_START(__copy_user_generic) 3: move a0, a2 jr ra - _asm_extable 1b, .L_fixup_handle_s0 - _asm_extable 2b, .L_fixup_handle_s0 + _asm_extable 1b, 3b + _asm_extable 2b, 3b SYM_FUNC_END(__copy_user_generic) /* @@ -69,10 +56,10 @@ SYM_FUNC_START(__copy_user_fast) sltui t0, a2, 9 bnez t0, .Lsmall - add.d a3, a1, a2 - add.d a2, a0, a2 0: ld.d t0, a1, 0 1: st.d t0, a0, 0 + add.d a3, a1, a2 + add.d a2, a0, a2 /* align up destination address */ andi t1, a0, 7 @@ -94,7 +81,6 @@ SYM_FUNC_START(__copy_user_fast) 7: ld.d t5, a1, 40 8: ld.d t6, a1, 48 9: ld.d t7, a1, 56 - addi.d a1, a1, 64 10: st.d t0, a0, 0 11: st.d t1, a0, 8 12: st.d t2, a0, 16 @@ -103,6 +89,7 @@ SYM_FUNC_START(__copy_user_fast) 15: st.d t5, a0, 40 16: st.d t6, a0, 48 17: st.d t7, a0, 56 + addi.d a1, a1, 64 addi.d a0, a0, 64 bltu a1, a4, .Lloop64 @@ -114,11 +101,11 @@ SYM_FUNC_START(__copy_user_fast) 19: ld.d t1, a1, 8 20: ld.d t2, a1, 16 21: ld.d t3, a1, 24 - addi.d a1, a1, 32 22: st.d t0, a0, 0 23: st.d t1, a0, 8 24: st.d t2, a0, 16 25: st.d t3, a0, 24 + addi.d a1, a1, 32 addi.d a0, a0, 32 .Llt32: @@ -126,9 +113,9 @@ SYM_FUNC_START(__copy_user_fast) bgeu a1, a4, .Llt16 26: ld.d t0, a1, 0 27: ld.d t1, a1, 8 - addi.d a1, a1, 16 28: st.d t0, a0, 0 29: st.d t1, a0, 8 + addi.d a1, a1, 16 addi.d a0, a0, 16 .Llt16: @@ -136,6 +123,7 @@ SYM_FUNC_START(__copy_user_fast) bgeu a1, a4, .Llt8 30: ld.d t0, a1, 0 31: st.d t0, a0, 0 + addi.d a1, a1, 8 addi.d a0, a0, 8 .Llt8: @@ -214,62 +202,79 @@ SYM_FUNC_START(__copy_user_fast) jr ra /* fixup and ex_table */ - _asm_extable 0b, .L_fixup_handle_0 - _asm_extable 1b, .L_fixup_handle_0 - _asm_extable 2b, .L_fixup_handle_0 - _asm_extable 3b, .L_fixup_handle_0 - _asm_extable 4b, .L_fixup_handle_0 - _asm_extable 5b, .L_fixup_handle_0 - _asm_extable 6b, .L_fixup_handle_0 - _asm_extable 7b, .L_fixup_handle_0 - _asm_extable 8b, .L_fixup_handle_0 - _asm_extable 9b, .L_fixup_handle_0 - _asm_extable 10b, .L_fixup_handle_0 - _asm_extable 11b, .L_fixup_handle_1 - _asm_extable 12b, .L_fixup_handle_2 - _asm_extable 13b, .L_fixup_handle_3 - _asm_extable 14b, .L_fixup_handle_4 - _asm_extable 15b, .L_fixup_handle_5 - _asm_extable 16b, .L_fixup_handle_6 - _asm_extable 17b, .L_fixup_handle_7 - _asm_extable 18b, .L_fixup_handle_0 - _asm_extable 19b, .L_fixup_handle_0 - _asm_extable 20b, .L_fixup_handle_0 - _asm_extable 21b, .L_fixup_handle_0 - _asm_extable 22b, .L_fixup_handle_0 - _asm_extable 23b, .L_fixup_handle_1 - _asm_extable 24b, .L_fixup_handle_2 - _asm_extable 25b, .L_fixup_handle_3 - _asm_extable 26b, .L_fixup_handle_0 - _asm_extable 27b, .L_fixup_handle_0 - _asm_extable 28b, .L_fixup_handle_0 - _asm_extable 29b, .L_fixup_handle_1 - _asm_extable 30b, .L_fixup_handle_0 - _asm_extable 31b, .L_fixup_handle_0 - _asm_extable 32b, .L_fixup_handle_0 - _asm_extable 33b, .L_fixup_handle_0 - _asm_extable 34b, .L_fixup_handle_s0 - _asm_extable 35b, .L_fixup_handle_s0 - _asm_extable 36b, .L_fixup_handle_s0 - _asm_extable 37b, .L_fixup_handle_s0 - _asm_extable 38b, .L_fixup_handle_s0 - _asm_extable 39b, .L_fixup_handle_s0 - _asm_extable 40b, .L_fixup_handle_s0 - _asm_extable 41b, .L_fixup_handle_s2 - _asm_extable 42b, .L_fixup_handle_s0 - _asm_extable 43b, .L_fixup_handle_s0 - _asm_extable 44b, .L_fixup_handle_s0 - _asm_extable 45b, .L_fixup_handle_s0 - _asm_extable 46b, .L_fixup_handle_s0 - _asm_extable 47b, .L_fixup_handle_s4 - _asm_extable 48b, .L_fixup_handle_s0 - _asm_extable 49b, .L_fixup_handle_s0 - _asm_extable 50b, .L_fixup_handle_s0 - _asm_extable 51b, .L_fixup_handle_s4 - _asm_extable 52b, .L_fixup_handle_s0 - _asm_extable 53b, .L_fixup_handle_s0 - _asm_extable 54b, .L_fixup_handle_s0 - _asm_extable 55b, .L_fixup_handle_s4 - _asm_extable 56b, .L_fixup_handle_s0 - _asm_extable 57b, .L_fixup_handle_s0 +.Llarge_fixup: + sub.d a2, a2, a0 + +.Lsmall_fixup: +58: ld.b t0, a1, 0 +59: st.b t0, a0, 0 + addi.d a0, a0, 1 + addi.d a1, a1, 1 + addi.d a2, a2, -1 + bgt a2, zero, 58b + +.Lexit: + move a0, a2 + jr ra + + _asm_extable 0b, .Lsmall_fixup + _asm_extable 1b, .Lsmall_fixup + _asm_extable 2b, .Llarge_fixup + _asm_extable 3b, .Llarge_fixup + _asm_extable 4b, .Llarge_fixup + _asm_extable 5b, .Llarge_fixup + _asm_extable 6b, .Llarge_fixup + _asm_extable 7b, .Llarge_fixup + _asm_extable 8b, .Llarge_fixup + _asm_extable 9b, .Llarge_fixup + _asm_extable 10b, .Llarge_fixup + _asm_extable 11b, .Llarge_fixup + _asm_extable 12b, .Llarge_fixup + _asm_extable 13b, .Llarge_fixup + _asm_extable 14b, .Llarge_fixup + _asm_extable 15b, .Llarge_fixup + _asm_extable 16b, .Llarge_fixup + _asm_extable 17b, .Llarge_fixup + _asm_extable 18b, .Llarge_fixup + _asm_extable 19b, .Llarge_fixup + _asm_extable 20b, .Llarge_fixup + _asm_extable 21b, .Llarge_fixup + _asm_extable 22b, .Llarge_fixup + _asm_extable 23b, .Llarge_fixup + _asm_extable 24b, .Llarge_fixup + _asm_extable 25b, .Llarge_fixup + _asm_extable 26b, .Llarge_fixup + _asm_extable 27b, .Llarge_fixup + _asm_extable 28b, .Llarge_fixup + _asm_extable 29b, .Llarge_fixup + _asm_extable 30b, .Llarge_fixup + _asm_extable 31b, .Llarge_fixup + _asm_extable 32b, .Llarge_fixup + _asm_extable 33b, .Llarge_fixup + _asm_extable 34b, .Lexit + _asm_extable 35b, .Lexit + _asm_extable 36b, .Lsmall_fixup + _asm_extable 37b, .Lsmall_fixup + _asm_extable 38b, .Lsmall_fixup + _asm_extable 39b, .Lsmall_fixup + _asm_extable 40b, .Lsmall_fixup + _asm_extable 41b, .Lsmall_fixup + _asm_extable 42b, .Lsmall_fixup + _asm_extable 43b, .Lsmall_fixup + _asm_extable 44b, .Lsmall_fixup + _asm_extable 45b, .Lsmall_fixup + _asm_extable 46b, .Lsmall_fixup + _asm_extable 47b, .Lsmall_fixup + _asm_extable 48b, .Lsmall_fixup + _asm_extable 49b, .Lsmall_fixup + _asm_extable 50b, .Lsmall_fixup + _asm_extable 51b, .Lsmall_fixup + _asm_extable 52b, .Lsmall_fixup + _asm_extable 53b, .Lsmall_fixup + _asm_extable 54b, .Lsmall_fixup + _asm_extable 55b, .Lsmall_fixup + _asm_extable 56b, .Lsmall_fixup + _asm_extable 57b, .Lsmall_fixup + _asm_extable 58b, .Lexit + _asm_extable 59b, .Lexit SYM_FUNC_END(__copy_user_fast) |