Merge pull request #870 from douglas-raillard-arm/dr/remove_asm_signed_test

Replace ASM signed tests with unsigned

lib/aarch32/cache_helpers.S

@@ -118,7 +118,7 @@ loop1:
 	mov	r12, r2, LSR r10	// extract cache type bits from clidr
 	and	r12, r12, #7   		// mask the bits for current cache only
 	cmp	r12, #2			// see what cache we have at this level
-	blt	level_done      	// no cache or only instruction cache at this level
+	blo	level_done      	// no cache or only instruction cache at this level
 
 	stcopr	r1, CSSELR		// select current cache level in csselr
 	isb				// isb to sych the new cssr&csidr
@@ -138,14 +138,14 @@ loop3:
 
 	blx	r6
 	subs	r7, r7, #1              // decrement the set number
-	bge	loop3
+	bhs	loop3
 	subs	r9, r9, #1              // decrement the way number
-	bge	loop2
+	bhs	loop2
 level_done:
 	add	r1, r1, #2		// increment the cache number
 	cmp	r3, r1
 	dsb	sy			// ensure completion of previous cache maintenance instruction
-	bgt	loop1
+	bhi	loop1
 
 	mov	r6, #0
 	stcopr	r6, CSSELR		//select cache level 0 in csselr

lib/aarch32/misc_helpers.S

@@ -170,7 +170,7 @@ func memcpy4
 /* copy 4 bytes at a time */
 m_loop4:
 	cmp	r2, #4
-	blt	m_loop1
+	blo	m_loop1
 	ldr	r3, [r1], #4
 	str	r3, [r0], #4
 	sub	r2, r2, #4

lib/aarch64/cache_helpers.S

@@ -119,7 +119,7 @@ loop1:
 	lsr	x1, x0, x2		// extract cache type bits from clidr
 	and	x1, x1, #7		// mask the bits for current cache only
 	cmp	x1, #2			// see what cache we have at this level
-	b.lt	level_done		// nothing to do if no cache or icache
+	b.lo	level_done		// nothing to do if no cache or icache
 
 	msr	csselr_el1, x10		// select current cache level in csselr
 	isb				// isb to sych the new cssr&csidr
@@ -144,10 +144,10 @@ loop3_\_op:
 	orr	w11, w9, w7		// combine cache, way and set number
 	dc	\_op, x11
 	subs	w7, w7, w17		// decrement set number
-	b.ge	loop3_\_op
+	b.hs	loop3_\_op
 
 	subs	x9, x9, x16		// decrement way number
-	b.ge	loop2_\_op
+	b.hs	loop2_\_op
 
 	b	level_done
 	.endm
@@ -155,7 +155,7 @@ loop3_\_op:
 level_done:
 	add	x10, x10, #2		// increment cache number
 	cmp	x3, x10
-	b.gt    loop1
+	b.hi    loop1
 	msr	csselr_el1, xzr		// select cache level 0 in csselr
 	dsb	sy			// barrier to complete final cache operation
 	isb

lib/cpus/aarch32/cpu_helpers.S

@@ -157,7 +157,7 @@ func get_cpu_ops_ptr
 1:
 	/* Check if we have reached end of list */
 	cmp	r4, r5
-	bge	error_exit
+	bhs	error_exit
 
 	/* load the midr from the cpu_ops */
 	ldr	r1, [r4], #CPU_OPS_SIZE

plat/nvidia/tegra/common/aarch64/tegra_helpers.S

@@ -289,7 +289,7 @@ func plat_reset_handler
 	mov	x2, #BL31_SIZE
 _loop16:
 	cmp	x2, #16
-	b.lt	_loop1
+	b.lo	_loop1
 	ldp	x3, x4, [x1], #16
 	stp	x3, x4, [x0], #16
 	sub	x2, x2, #16