[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>
diff --git a/arch/arm/kernel/armksyms.c b/arch/arm/kernel/armksyms.c
index 9997098..1574941 100644
--- a/arch/arm/kernel/armksyms.c
+++ b/arch/arm/kernel/armksyms.c
@@ -35,6 +35,16 @@
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(__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);
diff --git a/arch/arm/lib/ashldi3.S b/arch/arm/lib/ashldi3.S
index 561e207..55e57a1c 100644
--- a/arch/arm/lib/ashldi3.S
+++ b/arch/arm/lib/ashldi3.S
@@ -37,6 +37,7 @@
#endif
ENTRY(__ashldi3)
+ENTRY(__aeabi_llsl)
subs r3, r2, #32
rsb ip, r2, #32
diff --git a/arch/arm/lib/ashrdi3.S b/arch/arm/lib/ashrdi3.S
index 86fb2a9..0b31398 100644
--- a/arch/arm/lib/ashrdi3.S
+++ b/arch/arm/lib/ashrdi3.S
@@ -37,6 +37,7 @@
#endif
ENTRY(__ashrdi3)
+ENTRY(__aeabi_lasr)
subs r3, r2, #32
rsb ip, r2, #32
diff --git a/arch/arm/lib/lib1funcs.S b/arch/arm/lib/lib1funcs.S
index 4964e5b..4e492f4 100644
--- a/arch/arm/lib/lib1funcs.S
+++ b/arch/arm/lib/lib1funcs.S
@@ -206,6 +206,7 @@
ENTRY(__udivsi3)
+ENTRY(__aeabi_uidiv)
subs r2, r1, #1
moveq pc, lr
@@ -246,6 +247,7 @@
ENTRY(__divsi3)
+ENTRY(__aeabi_idiv)
cmp r1, #0
eor ip, r0, r1 @ save the sign of the result.
@@ -303,6 +305,27 @@
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:
diff --git a/arch/arm/lib/lshrdi3.S b/arch/arm/lib/lshrdi3.S
index 46c2ed1..a86dbdd 100644
--- a/arch/arm/lib/lshrdi3.S
+++ b/arch/arm/lib/lshrdi3.S
@@ -37,6 +37,7 @@
#endif
ENTRY(__lshrdi3)
+ENTRY(__aeabi_llsr)
subs r3, r2, #32
rsb ip, r2, #32
diff --git a/arch/arm/lib/muldi3.S b/arch/arm/lib/muldi3.S
index c7fbdf0..72d5941 100644
--- a/arch/arm/lib/muldi3.S
+++ b/arch/arm/lib/muldi3.S
@@ -25,6 +25,7 @@
#endif
ENTRY(__muldi3)
+ENTRY(__aeabi_lmul)
mul xh, yl, xh
mla xh, xl, yh, xh
diff --git a/arch/arm/lib/ucmpdi2.S b/arch/arm/lib/ucmpdi2.S
index 112630f..d847a62 100644
--- a/arch/arm/lib/ucmpdi2.S
+++ b/arch/arm/lib/ucmpdi2.S
@@ -10,6 +10,7 @@
* published by the Free Software Foundation.
*/
+#include <linux/config.h>
#include <linux/linkage.h>
#ifdef __ARMEB__
@@ -33,3 +34,16 @@
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
+