hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

[ARM] 3104/1: ARM EABI: new helper function names 

Patch from Nicolas Pitre

The ARM EABI defines new names for GCC helper functions.

Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Nicolas Pitre 2006-01-14 16:18:29 +00:00 committed by Russell King
parent 499b2ea11f
commit ba95e4e4a0
7 changed files with 63 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
arch/arm/kernel/armksyms.c
View File

@ -35,6 +35,16 @@ extern void __udivsi3(void);
extern void __umodsi3(void);
extern void __do_div64(void);
extern void __aeabi_idiv(void);
extern void __aeabi_idivmod(void);
extern void __aeabi_lasr(void);
extern void __aeabi_llsl(void);
extern void __aeabi_llsr(void);
extern void __aeabi_lmul(void);
extern void __aeabi_uidiv(void);
extern void __aeabi_uidivmod(void);
extern void __aeabi_ulcmp(void);
extern void fpundefinstr(void);
extern void fp_enter(void);
@ -141,6 +151,18 @@ EXPORT_SYMBOL(__udivsi3);
EXPORT_SYMBOL(__umodsi3);
EXPORT_SYMBOL(__do_div64);
#ifdef CONFIG_AEABI
EXPORT_SYMBOL(__aeabi_idiv);
EXPORT_SYMBOL(__aeabi_idivmod);
EXPORT_SYMBOL(__aeabi_lasr);
EXPORT_SYMBOL(__aeabi_llsl);
EXPORT_SYMBOL(__aeabi_llsr);
EXPORT_SYMBOL(__aeabi_lmul);
EXPORT_SYMBOL(__aeabi_uidiv);
EXPORT_SYMBOL(__aeabi_uidivmod);
EXPORT_SYMBOL(__aeabi_ulcmp);
#endif
/* bitops */
EXPORT_SYMBOL(_set_bit_le);
EXPORT_SYMBOL(_test_and_set_bit_le);

1
arch/arm/lib/ashldi3.S
View File

@ -37,6 +37,7 @@ Boston, MA 02110-1301, USA. */
#endif
ENTRY(__ashldi3)
ENTRY(__aeabi_llsl)
subs r3, r2, #32
rsb ip, r2, #32

1
arch/arm/lib/ashrdi3.S
View File

@ -37,6 +37,7 @@ Boston, MA 02110-1301, USA. */
#endif
ENTRY(__ashrdi3)
ENTRY(__aeabi_lasr)
subs r3, r2, #32
rsb ip, r2, #32

23
arch/arm/lib/lib1funcs.S
View File

@ -206,6 +206,7 @@ Boston, MA 02111-1307, USA. */
ENTRY(__udivsi3)
ENTRY(__aeabi_uidiv)
subs r2, r1, #1
moveq pc, lr
@ -246,6 +247,7 @@ ENTRY(__umodsi3)
ENTRY(__divsi3)
ENTRY(__aeabi_idiv)
cmp r1, #0
eor ip, r0, r1 @ save the sign of the result.
@ -303,6 +305,27 @@ ENTRY(__modsi3)
rsbmi r0, r0, #0
mov pc, lr
#ifdef CONFIG_AEABI
ENTRY(__aeabi_uidivmod)
stmfd sp!, {r0, r1, ip, lr}
bl __aeabi_uidiv
ldmfd sp!, {r1, r2, ip, lr}
mul r3, r0, r2
sub r1, r1, r3
mov pc, lr
ENTRY(__aeabi_idivmod)
stmfd sp!, {r0, r1, ip, lr}
bl __aeabi_idiv
ldmfd sp!, {r1, r2, ip, lr}
mul r3, r0, r2
sub r1, r1, r3
mov pc, lr
#endif
Ldiv0:

1
arch/arm/lib/lshrdi3.S
View File

@ -37,6 +37,7 @@ Boston, MA 02110-1301, USA. */
#endif
ENTRY(__lshrdi3)
ENTRY(__aeabi_llsr)
subs r3, r2, #32
rsb ip, r2, #32

1
arch/arm/lib/muldi3.S
View File

@ -25,6 +25,7 @@
#endif
ENTRY(__muldi3)
ENTRY(__aeabi_lmul)
mul xh, yl, xh
mla xh, xl, yh, xh

14
arch/arm/lib/ucmpdi2.S
View File

@ -10,6 +10,7 @@
* published by the Free Software Foundation.
*/
#include <linux/config.h>
#include <linux/linkage.h>
#ifdef __ARMEB__
@ -33,3 +34,16 @@ ENTRY(__ucmpdi2)
movhi r0, #2
mov pc, lr
#ifdef CONFIG_AEABI
ENTRY(__aeabi_ulcmp)
cmp xh, yh
cmpeq xl, yl
movlo r0, #-1
moveq r0, #0
movhi r0, #1
mov pc, lr
#endif