[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>

6 files changed, 41 insertions, 0 deletions

diff --git a/arch/arm/lib/ashldi3.S b/arch/arm/lib/ashldi3.S
index 561e20717b30..55e57a1c2e6d 100644
--- a/arch/arm/lib/ashldi3.S
+++ b/arch/arm/lib/ashldi3.S
@@ -37,6 +37,7 @@ Boston, MA 02110-1301, USA.  */
 #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 86fb2a90c301..0b31398f89b2 100644
--- a/arch/arm/lib/ashrdi3.S
+++ b/arch/arm/lib/ashrdi3.S
@@ -37,6 +37,7 @@ Boston, MA 02110-1301, USA.  */
 #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 4964e5bafa0f..4e492f4b3f0e 100644
--- a/arch/arm/lib/lib1funcs.S
+++ b/arch/arm/lib/lib1funcs.S
@@ -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:
 
diff --git a/arch/arm/lib/lshrdi3.S b/arch/arm/lib/lshrdi3.S
index 46c2ed19ec95..a86dbdd59cc4 100644
--- a/arch/arm/lib/lshrdi3.S
+++ b/arch/arm/lib/lshrdi3.S
@@ -37,6 +37,7 @@ Boston, MA 02110-1301, USA.  */
 #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 c7fbdf005319..72d594184b8a 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 112630f93e5d..d847a62834cb 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 @@ 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
+