diff --git a/arch/arm/core/exc_exit.S b/arch/arm/core/exc_exit.S
index cd896cee3f2..d074ce622df 100644
--- a/arch/arm/core/exc_exit.S
+++ b/arch/arm/core/exc_exit.S
@@ -72,7 +72,7 @@ SECTION_SUBSEC_FUNC(TEXT, _HandlerModeExit, z_ExcExit)
 
     ldr r1, [r0, #_kernel_offset_to_current]
 
-    ldr r0, [r0, _kernel_offset_to_ready_q_cache]
+    ldr r0, [r0, #_kernel_offset_to_ready_q_cache]
     cmp r0, r1
     beq _EXIT_EXC
 
diff --git a/arch/arm/core/isr_wrapper.S b/arch/arm/core/isr_wrapper.S
index 43509d19db6..026b2ea6eab 100644
--- a/arch/arm/core/isr_wrapper.S
+++ b/arch/arm/core/isr_wrapper.S
@@ -73,7 +73,7 @@ SECTION_FUNC(TEXT, _isr_wrapper)
 	movs.n r1, #0
 	/* clear kernel idle state */
 	str r1, [r2, #_kernel_offset_to_idle]
-	blx z_sys_power_save_idle_exit
+	bl z_sys_power_save_idle_exit
 _idle_state_cleared:
 
 #elif defined(CONFIG_ARMV7_M_ARMV8_M_MAINLINE)
@@ -81,7 +81,7 @@ _idle_state_cleared:
 	movne	r1, #0
 		/* clear kernel idle state */
 		strne	r1, [r2, #_kernel_offset_to_idle]
-		blxne	z_sys_power_save_idle_exit
+		blne	z_sys_power_save_idle_exit
 #else
 #error Unknown ARM architecture
 #endif /* CONFIG_ARMV6_M_ARMV8_M_BASELINE */
diff --git a/arch/arm/core/swap_helper.S b/arch/arm/core/swap_helper.S
index 649a77c9a26..a40e7720f08 100644
--- a/arch/arm/core/swap_helper.S
+++ b/arch/arm/core/swap_helper.S
@@ -110,7 +110,7 @@ SECTION_FUNC(TEXT, __pendsv)
     /* _kernel is still in r1 */
 
     /* fetch the thread to run from the ready queue cache */
-    ldr r2, [r1, _kernel_offset_to_ready_q_cache]
+    ldr r2, [r1, #_kernel_offset_to_ready_q_cache]
 
     str r2, [r1, #_kernel_offset_to_current]
 
@@ -226,7 +226,7 @@ _thread_irq_disabled:
     /* r2 contains k_thread */
     add r0, r2, #0
     push {r2, lr}
-    blx configure_builtin_stack_guard
+    bl configure_builtin_stack_guard
     pop {r2, lr}
 #endif /* CONFIG_BUILTIN_STACK_GUARD */
 
@@ -302,7 +302,7 @@ _stack_frame_endif:
 
 #if CONFIG_IRQ_OFFLOAD
     push {r0, lr}
-    blx _irq_do_offload  /* call C routine which executes the offload */
+    bl _irq_do_offload  /* call C routine which executes the offload */
     pop {r0, r1}
     mov lr, r1
 #endif /* CONFIG_IRQ_OFFLOAD */
@@ -312,7 +312,7 @@ _stack_frame_endif:
 
 _oops:
     push {r0, lr}
-    blx _do_kernel_oops
+    bl _do_kernel_oops
     pop {r0, pc}
 
 #elif defined(CONFIG_ARMV7_M_ARMV8_M_MAINLINE)
@@ -368,7 +368,7 @@ SECTION_FUNC(TEXT, __svc)
 
 #if CONFIG_IRQ_OFFLOAD
     push {r0, lr}
-    blx _irq_do_offload  /* call C routine which executes the offload */
+    bl _irq_do_offload  /* call C routine which executes the offload */
     pop {r0, lr}
 
     /* exception return is done in _IntExit() */
@@ -377,7 +377,7 @@ SECTION_FUNC(TEXT, __svc)
 
 _oops:
     push {r0, lr}
-    blx _do_kernel_oops
+    bl _do_kernel_oops
     pop {r0, pc}
 
 #if CONFIG_USERSPACE
diff --git a/soc/arm/ti_lm3s6965/reboot.S b/soc/arm/ti_lm3s6965/reboot.S
index f1537834bed..f0defaf5958 100644
--- a/soc/arm/ti_lm3s6965/reboot.S
+++ b/soc/arm/ti_lm3s6965/reboot.S
@@ -46,7 +46,7 @@ SECTION_FUNC(TEXT,_force_exit_one_nested_irq)
 		ldrne r2, =_do_software_reboot
 
 	ldr ip, =_interrupt_stack
-	add.w ip, #(___esf_t_SIZEOF * 2) /* enough for a stack frame */
+	add.w ip, ip, #(___esf_t_SIZEOF * 2) /* enough for a stack frame */
 	ldr r1, =0xfffffffe
 	and.w r2, r1
 	str r2, [ip, #(6 * 4)]