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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 17:39:57 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 17:39:57 +0000
commitdc50eab76b709d68175a358d6e23a5a3890764d3 (patch)
treec754d0390db060af0213ff994f0ac310e4cfd6e9 /arch/riscv/lib
parentAdding debian version 6.6.15-2. (diff)
downloadlinux-dc50eab76b709d68175a358d6e23a5a3890764d3.tar.xz
linux-dc50eab76b709d68175a358d6e23a5a3890764d3.zip
Merging upstream version 6.7.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/riscv/lib')
-rw-r--r--arch/riscv/lib/clear_page.S32
-rw-r--r--arch/riscv/lib/memcpy.S6
-rw-r--r--arch/riscv/lib/memmove.S57
-rw-r--r--arch/riscv/lib/memset.S6
-rw-r--r--arch/riscv/lib/uaccess.S11
5 files changed, 55 insertions, 57 deletions
diff --git a/arch/riscv/lib/clear_page.S b/arch/riscv/lib/clear_page.S
index d7a256eb53..b22de12311 100644
--- a/arch/riscv/lib/clear_page.S
+++ b/arch/riscv/lib/clear_page.S
@@ -29,41 +29,41 @@ SYM_FUNC_START(clear_page)
lw a1, riscv_cboz_block_size
add a2, a0, a2
.Lzero_loop:
- CBO_zero(a0)
+ CBO_ZERO(a0)
add a0, a0, a1
CBOZ_ALT(11, "bltu a0, a2, .Lzero_loop; ret", "nop; nop")
- CBO_zero(a0)
+ CBO_ZERO(a0)
add a0, a0, a1
CBOZ_ALT(10, "bltu a0, a2, .Lzero_loop; ret", "nop; nop")
- CBO_zero(a0)
+ CBO_ZERO(a0)
add a0, a0, a1
- CBO_zero(a0)
+ CBO_ZERO(a0)
add a0, a0, a1
CBOZ_ALT(9, "bltu a0, a2, .Lzero_loop; ret", "nop; nop")
- CBO_zero(a0)
+ CBO_ZERO(a0)
add a0, a0, a1
- CBO_zero(a0)
+ CBO_ZERO(a0)
add a0, a0, a1
- CBO_zero(a0)
+ CBO_ZERO(a0)
add a0, a0, a1
- CBO_zero(a0)
+ CBO_ZERO(a0)
add a0, a0, a1
CBOZ_ALT(8, "bltu a0, a2, .Lzero_loop; ret", "nop; nop")
- CBO_zero(a0)
+ CBO_ZERO(a0)
add a0, a0, a1
- CBO_zero(a0)
+ CBO_ZERO(a0)
add a0, a0, a1
- CBO_zero(a0)
+ CBO_ZERO(a0)
add a0, a0, a1
- CBO_zero(a0)
+ CBO_ZERO(a0)
add a0, a0, a1
- CBO_zero(a0)
+ CBO_ZERO(a0)
add a0, a0, a1
- CBO_zero(a0)
+ CBO_ZERO(a0)
add a0, a0, a1
- CBO_zero(a0)
+ CBO_ZERO(a0)
add a0, a0, a1
- CBO_zero(a0)
+ CBO_ZERO(a0)
add a0, a0, a1
bltu a0, a2, .Lzero_loop
ret
diff --git a/arch/riscv/lib/memcpy.S b/arch/riscv/lib/memcpy.S
index 1a40d01a95..44e009ec5f 100644
--- a/arch/riscv/lib/memcpy.S
+++ b/arch/riscv/lib/memcpy.S
@@ -7,8 +7,7 @@
#include <asm/asm.h>
/* void *memcpy(void *, const void *, size_t) */
-ENTRY(__memcpy)
-WEAK(memcpy)
+SYM_FUNC_START(__memcpy)
move t6, a0 /* Preserve return value */
/* Defer to byte-oriented copy for small sizes */
@@ -105,6 +104,7 @@ WEAK(memcpy)
bltu a1, a3, 5b
6:
ret
-END(__memcpy)
+SYM_FUNC_END(__memcpy)
+SYM_FUNC_ALIAS_WEAK(memcpy, __memcpy)
SYM_FUNC_ALIAS(__pi_memcpy, __memcpy)
SYM_FUNC_ALIAS(__pi___memcpy, __memcpy)
diff --git a/arch/riscv/lib/memmove.S b/arch/riscv/lib/memmove.S
index 838ff2022f..cb3e2e7ef0 100644
--- a/arch/riscv/lib/memmove.S
+++ b/arch/riscv/lib/memmove.S
@@ -7,7 +7,6 @@
#include <asm/asm.h>
SYM_FUNC_START(__memmove)
-SYM_FUNC_START_WEAK(memmove)
/*
* Returns
* a0 - dest
@@ -26,8 +25,8 @@ SYM_FUNC_START_WEAK(memmove)
*/
/* Return if nothing to do */
- beq a0, a1, return_from_memmove
- beqz a2, return_from_memmove
+ beq a0, a1, .Lreturn_from_memmove
+ beqz a2, .Lreturn_from_memmove
/*
* Register Uses
@@ -60,7 +59,7 @@ SYM_FUNC_START_WEAK(memmove)
* small enough not to bother.
*/
andi t0, a2, -(2 * SZREG)
- beqz t0, byte_copy
+ beqz t0, .Lbyte_copy
/*
* Now solve for t5 and t6.
@@ -87,14 +86,14 @@ SYM_FUNC_START_WEAK(memmove)
*/
xor t0, a0, a1
andi t1, t0, (SZREG - 1)
- beqz t1, coaligned_copy
+ beqz t1, .Lcoaligned_copy
/* Fall through to misaligned fixup copy */
-misaligned_fixup_copy:
- bltu a1, a0, misaligned_fixup_copy_reverse
+.Lmisaligned_fixup_copy:
+ bltu a1, a0, .Lmisaligned_fixup_copy_reverse
-misaligned_fixup_copy_forward:
- jal t0, byte_copy_until_aligned_forward
+.Lmisaligned_fixup_copy_forward:
+ jal t0, .Lbyte_copy_until_aligned_forward
andi a5, a1, (SZREG - 1) /* Find the alignment offset of src (a1) */
slli a6, a5, 3 /* Multiply by 8 to convert that to bits to shift */
@@ -153,10 +152,10 @@ misaligned_fixup_copy_forward:
mv t3, t6 /* Fix the dest pointer in case the loop was broken */
add a1, t3, a5 /* Restore the src pointer */
- j byte_copy_forward /* Copy any remaining bytes */
+ j .Lbyte_copy_forward /* Copy any remaining bytes */
-misaligned_fixup_copy_reverse:
- jal t0, byte_copy_until_aligned_reverse
+.Lmisaligned_fixup_copy_reverse:
+ jal t0, .Lbyte_copy_until_aligned_reverse
andi a5, a4, (SZREG - 1) /* Find the alignment offset of src (a4) */
slli a6, a5, 3 /* Multiply by 8 to convert that to bits to shift */
@@ -215,18 +214,18 @@ misaligned_fixup_copy_reverse:
mv t4, t5 /* Fix the dest pointer in case the loop was broken */
add a4, t4, a5 /* Restore the src pointer */
- j byte_copy_reverse /* Copy any remaining bytes */
+ j .Lbyte_copy_reverse /* Copy any remaining bytes */
/*
* Simple copy loops for SZREG co-aligned memory locations.
* These also make calls to do byte copies for any unaligned
* data at their terminations.
*/
-coaligned_copy:
- bltu a1, a0, coaligned_copy_reverse
+.Lcoaligned_copy:
+ bltu a1, a0, .Lcoaligned_copy_reverse
-coaligned_copy_forward:
- jal t0, byte_copy_until_aligned_forward
+.Lcoaligned_copy_forward:
+ jal t0, .Lbyte_copy_until_aligned_forward
1:
REG_L t1, ( 0 * SZREG)(a1)
@@ -235,10 +234,10 @@ coaligned_copy_forward:
REG_S t1, (-1 * SZREG)(t3)
bne t3, t6, 1b
- j byte_copy_forward /* Copy any remaining bytes */
+ j .Lbyte_copy_forward /* Copy any remaining bytes */
-coaligned_copy_reverse:
- jal t0, byte_copy_until_aligned_reverse
+.Lcoaligned_copy_reverse:
+ jal t0, .Lbyte_copy_until_aligned_reverse
1:
REG_L t1, (-1 * SZREG)(a4)
@@ -247,7 +246,7 @@ coaligned_copy_reverse:
REG_S t1, ( 0 * SZREG)(t4)
bne t4, t5, 1b
- j byte_copy_reverse /* Copy any remaining bytes */
+ j .Lbyte_copy_reverse /* Copy any remaining bytes */
/*
* These are basically sub-functions within the function. They
@@ -258,7 +257,7 @@ coaligned_copy_reverse:
* up from where they were left and we avoid code duplication
* without any overhead except the call in and return jumps.
*/
-byte_copy_until_aligned_forward:
+.Lbyte_copy_until_aligned_forward:
beq t3, t5, 2f
1:
lb t1, 0(a1)
@@ -269,7 +268,7 @@ byte_copy_until_aligned_forward:
2:
jalr zero, 0x0(t0) /* Return to multibyte copy loop */
-byte_copy_until_aligned_reverse:
+.Lbyte_copy_until_aligned_reverse:
beq t4, t6, 2f
1:
lb t1, -1(a4)
@@ -285,10 +284,10 @@ byte_copy_until_aligned_reverse:
* These will byte copy until they reach the end of data to copy.
* At that point, they will call to return from memmove.
*/
-byte_copy:
- bltu a1, a0, byte_copy_reverse
+.Lbyte_copy:
+ bltu a1, a0, .Lbyte_copy_reverse
-byte_copy_forward:
+.Lbyte_copy_forward:
beq t3, t4, 2f
1:
lb t1, 0(a1)
@@ -299,7 +298,7 @@ byte_copy_forward:
2:
ret
-byte_copy_reverse:
+.Lbyte_copy_reverse:
beq t4, t3, 2f
1:
lb t1, -1(a4)
@@ -309,10 +308,10 @@ byte_copy_reverse:
bne t4, t3, 1b
2:
-return_from_memmove:
+.Lreturn_from_memmove:
ret
-SYM_FUNC_END(memmove)
SYM_FUNC_END(__memmove)
+SYM_FUNC_ALIAS_WEAK(memmove, __memmove)
SYM_FUNC_ALIAS(__pi_memmove, __memmove)
SYM_FUNC_ALIAS(__pi___memmove, __memmove)
diff --git a/arch/riscv/lib/memset.S b/arch/riscv/lib/memset.S
index 34c5360c67..35f358e70b 100644
--- a/arch/riscv/lib/memset.S
+++ b/arch/riscv/lib/memset.S
@@ -8,8 +8,7 @@
#include <asm/asm.h>
/* void *memset(void *, int, size_t) */
-ENTRY(__memset)
-WEAK(memset)
+SYM_FUNC_START(__memset)
move t0, a0 /* Preserve return value */
/* Defer to byte-oriented fill for small sizes */
@@ -110,4 +109,5 @@ WEAK(memset)
bltu t0, a3, 5b
6:
ret
-END(__memset)
+SYM_FUNC_END(__memset)
+SYM_FUNC_ALIAS_WEAK(memset, __memset)
diff --git a/arch/riscv/lib/uaccess.S b/arch/riscv/lib/uaccess.S
index 09b47ebacf..3ab438f30d 100644
--- a/arch/riscv/lib/uaccess.S
+++ b/arch/riscv/lib/uaccess.S
@@ -10,8 +10,7 @@
_asm_extable 100b, \lbl
.endm
-ENTRY(__asm_copy_to_user)
-ENTRY(__asm_copy_from_user)
+SYM_FUNC_START(__asm_copy_to_user)
/* Enable access to user memory */
li t6, SR_SUM
@@ -181,13 +180,13 @@ ENTRY(__asm_copy_from_user)
csrc CSR_STATUS, t6
sub a0, t5, a0
ret
-ENDPROC(__asm_copy_to_user)
-ENDPROC(__asm_copy_from_user)
+SYM_FUNC_END(__asm_copy_to_user)
EXPORT_SYMBOL(__asm_copy_to_user)
+SYM_FUNC_ALIAS(__asm_copy_from_user, __asm_copy_to_user)
EXPORT_SYMBOL(__asm_copy_from_user)
-ENTRY(__clear_user)
+SYM_FUNC_START(__clear_user)
/* Enable access to user memory */
li t6, SR_SUM
@@ -233,5 +232,5 @@ ENTRY(__clear_user)
csrc CSR_STATUS, t6
sub a0, a3, a0
ret
-ENDPROC(__clear_user)
+SYM_FUNC_END(__clear_user)
EXPORT_SYMBOL(__clear_user)