From bb9e95aa1da6c1f8974702685db9b8486210ac5c Mon Sep 17 00:00:00 2001
From: Nagaraju Mekala <nmekala@xilix.com>
Date: Fri, 27 Jul 2018 16:10:36 +0530
Subject: [PATCH 06/11] MB-X intial commit

---
 libgloss/microblaze/crt0.S              | 2 +-
 libgloss/microblaze/crt1.S              | 2 +-
 libgloss/microblaze/crt2.S              | 2 +-
 libgloss/microblaze/crt3.S              | 2 +-
 libgloss/microblaze/crt4.S              | 2 +-
 libgloss/microblaze/crtinit.S           | 4 ++--
 libgloss/microblaze/pgcrtinit.S         | 4 ++--
 libgloss/microblaze/sim-crtinit.S       | 4 ++--
 libgloss/microblaze/sim-pgcrtinit.S     | 4 ++--
 newlib/libc/machine/microblaze/strcmp.c | 8 ++++----
 10 files changed, 17 insertions(+), 17 deletions(-)

diff --git a/libgloss/microblaze/crt0.S b/libgloss/microblaze/crt0.S
index b39ea90..865a8c2 100644
--- a/libgloss/microblaze/crt0.S
+++ b/libgloss/microblaze/crt0.S
@@ -84,7 +84,7 @@ _vector_hw_exception:
 _start1:
 	la	r13, r0, _SDA_BASE_         /* Set the Small Data Anchors and the stack pointer */
 	la	r2, r0, _SDA2_BASE_
-	la	r1, r0, _stack-16           /* 16 bytes (4 words are needed by crtinit for args and link reg */
+	la	r1, r0, _stack-32           /* 16 bytes (4 words are needed by crtinit for args and link reg */
 
 	brlid	r15, _crtinit               /* Initialize BSS and run program */
 	nop
diff --git a/libgloss/microblaze/crt1.S b/libgloss/microblaze/crt1.S
index 20323ff..a8bf749 100644
--- a/libgloss/microblaze/crt1.S
+++ b/libgloss/microblaze/crt1.S
@@ -75,7 +75,7 @@ _vector_hw_exception:
 _start:
 	la	r13, r0, _SDA_BASE_         /* Set the Small Data Anchors and the stack pointer */
 	la	r2, r0, _SDA2_BASE_
-	la	r1, r0, _stack-16           /* 16 bytes (4 words are needed by crtinit for args and link reg */
+	la	r1, r0, _stack-32           /* 16 bytes (4 words are needed by crtinit for args and link reg */
 
 	brlid	r15, _crtinit               /* Initialize BSS and run program */
 	nop
diff --git a/libgloss/microblaze/crt2.S b/libgloss/microblaze/crt2.S
index e3fb15b..34d9f95 100644
--- a/libgloss/microblaze/crt2.S
+++ b/libgloss/microblaze/crt2.S
@@ -73,7 +73,7 @@ _vector_hw_exception:
 _start:
 	la	r13, r0, _SDA_BASE_         /* Set the Small Data Anchors and the stack pointer */
 	la	r2, r0, _SDA2_BASE_
-	la	r1, r0, _stack-16           /* 16 bytes (4 words are needed by crtinit for args and link reg */
+	la	r1, r0, _stack-32           /* 16 bytes (4 words are needed by crtinit for args and link reg */
 
 	brlid	r15, _crtinit               /* Initialize BSS and run program */
 	nop
diff --git a/libgloss/microblaze/crt3.S b/libgloss/microblaze/crt3.S
index 452ea52..ebcf207 100644
--- a/libgloss/microblaze/crt3.S
+++ b/libgloss/microblaze/crt3.S
@@ -59,7 +59,7 @@
 _start:
 	la	r13, r0, _SDA_BASE_         /* Set the Small Data Anchors and the stack pointer */
 	la	r2, r0, _SDA2_BASE_
-	la	r1, r0, _stack-16           /* 16 bytes (4 words are needed by crtinit for args and link reg */
+	la	r1, r0, _stack-32           /* 16 bytes (4 words are needed by crtinit for args and link reg */
 
 	brlid	r15, _crtinit               /* Initialize BSS and run program */
 	nop
diff --git a/libgloss/microblaze/crt4.S b/libgloss/microblaze/crt4.S
index 475acec..4cf0b01 100644
--- a/libgloss/microblaze/crt4.S
+++ b/libgloss/microblaze/crt4.S
@@ -59,7 +59,7 @@
 _start:
 	la	r13, r0, _SDA_BASE_         /* Set the Small Data Anchors and the stack pointer */
 	la	r2, r0, _SDA2_BASE_
-	la	r1, r0, _stack-16           /* 16 bytes (4 words are needed by crtinit for args and link reg */
+	la	r1, r0, _stack-32           /* 16 bytes (4 words are needed by crtinit for args and link reg */
 
 	brlid	r15, _crtinit               /* Initialize BSS and run program */
 	nop
diff --git a/libgloss/microblaze/crtinit.S b/libgloss/microblaze/crtinit.S
index 78eb76d..86c6dfc 100644
--- a/libgloss/microblaze/crtinit.S
+++ b/libgloss/microblaze/crtinit.S
@@ -33,7 +33,7 @@
 	.ent _crtinit
         .type _crtinit, @function
 _crtinit:
-	addi	r1, r1, -20               	/* Save Link register	 */
+	addi	r1, r1, -40               	/* Save Link register	 */
 	swi	r15, r1, 0
 
     	addi	r6, r0, __sbss_start          	/* clear SBSS */
@@ -82,6 +82,6 @@ _crtinit:
 
         addik   r3, r19, 0                      /* Restore return value */
 	rtsd	r15, 8
-    	addi	r1, r1, 20
+    	addi	r1, r1, 40
 	.end _crtinit
 
diff --git a/libgloss/microblaze/pgcrtinit.S b/libgloss/microblaze/pgcrtinit.S
index fca1bc4..2593082 100644
--- a/libgloss/microblaze/pgcrtinit.S
+++ b/libgloss/microblaze/pgcrtinit.S
@@ -33,7 +33,7 @@
 	.ent _crtinit
 
 _crtinit:
-	addi	r1, r1, -20               	/* Save Link register	 */
+	addi	r1, r1, -40               	/* Save Link register	 */
 	swi	r15, r1, 0
 
 	addi	r6, r0, __sbss_start          	/* clear SBSS */
@@ -87,6 +87,6 @@ _crtinit:
 	lw	r15, r1, r0                     /* Return back to CRT */
         addik   r3, r19, 0                      /* Restore return value */  
 	rtsd	r15, 8
-    	addi	r1, r1, 20
+    	addi	r1, r1, 40
 	.end _crtinit
 
diff --git a/libgloss/microblaze/sim-crtinit.S b/libgloss/microblaze/sim-crtinit.S
index d2f59fe..74586d9 100644
--- a/libgloss/microblaze/sim-crtinit.S
+++ b/libgloss/microblaze/sim-crtinit.S
@@ -39,7 +39,7 @@
 	.ent _crtinit
 
 _crtinit:
-	addi	r1, r1, -20               	/* Save Link register	 */
+	addi	r1, r1, -40               	/* Save Link register	 */
 	swi	r15, r1, 0
 
     	brlid	r15, _program_init              /* Initialize the program  */
@@ -64,6 +64,6 @@ _crtinit:
 	lw	r15, r1, r0                     /* Return back to CRT   */
         addik   r3, r19, 0                      /* Restore return value */
 	rtsd	r15, 8
-    	addi	r1, r1, 20
+    	addi	r1, r1, 40
 	.end _crtinit
 
diff --git a/libgloss/microblaze/sim-pgcrtinit.S b/libgloss/microblaze/sim-pgcrtinit.S
index 3c6ba83..82ebcca 100644
--- a/libgloss/microblaze/sim-pgcrtinit.S
+++ b/libgloss/microblaze/sim-pgcrtinit.S
@@ -39,7 +39,7 @@
 	.ent _crtinit
 
 _crtinit:
-	addi	r1, r1, -20               	/* Save Link register	 */
+	addi	r1, r1, -40               	/* Save Link register	 */
 	swi	r15, r1, 0
 
 	brlid	r15, _program_init              /* Initialize the program */
@@ -67,6 +67,6 @@ _crtinit:
 
 	lw	r15, r1, r0                     /* Return back to CRT */
 	rtsd	r15, 8
-    	addi	r1, r1, 20
+    	addi	r1, r1, 40
 	.end _crtinit
 
diff --git a/newlib/libc/machine/microblaze/strcmp.c b/newlib/libc/machine/microblaze/strcmp.c
index 434195e..3119d82 100644
--- a/newlib/libc/machine/microblaze/strcmp.c
+++ b/newlib/libc/machine/microblaze/strcmp.c
@@ -96,15 +96,15 @@ strcmp (const char *s1,
 
   return (*(unsigned char *) s1) - (*(unsigned char *) s2);
 #else
-  unsigned long *a1;
-  unsigned long *a2;
+  unsigned int *a1;
+  unsigned int *a2;
 
   /* If s1 or s2 are unaligned, then compare bytes. */
   if (!UNALIGNED (s1, s2))
     {  
       /* If s1 and s2 are word-aligned, compare them a word at a time. */
-      a1 = (unsigned long*)s1;
-      a2 = (unsigned long*)s2;
+      a1 = (unsigned int*)s1;
+      a2 = (unsigned int*)s2;
       while (*a1 == *a2)
         {
           /* To get here, *a1 == *a2, thus if we find a null in *a1,
-- 
2.7.4