From 2b18685cbffc039b7d27ada40183964bf3fde517 Mon Sep 17 00:00:00 2001
From: NIIBE Yutaka <gniibe@fsij.org>
Date: Sat, 29 Dec 2018 09:33:19 +0900
Subject: [PATCH] Use "System Control Block" instead of "System Control
 Registers".

---
 mcu/sys-mkl27z.c    | 6 +++---
 mcu/sys-stm32f0.c   | 4 ++--
 mcu/sys-stm32f103.c | 4 ++--
 3 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/mcu/sys-mkl27z.c b/mcu/sys-mkl27z.c
index 84b38ab..cef6898 100644
--- a/mcu/sys-mkl27z.c
+++ b/mcu/sys-mkl27z.c
@@ -23,14 +23,14 @@
 #include "board.h"
 
 #define ADDR_VECTORS (0x00000900)
-#define ADDR_SCR_VTOR 0xe000ed08
+#define ADDR_SCB_VTOR 0xe000ed08
 
 static void __attribute__ ((naked,section(".fixed_function.reset")))
 reset (void)
 {
-  uint32_t r3 = ADDR_SCR_VTOR;
+  uint32_t r3 = ADDR_SCB_VTOR;
 
-  asm volatile ("str	%2, [%0]\n\t"	  /* Set SCR->VTOR     */
+  asm volatile ("str	%2, [%0]\n\t"	  /* Set SCB->VTOR     */
 		"ldr	%0, [%2]\n\t"     /* Stack address     */
 		"msr	MSP, %0\n\t"	  /* Exception handler stack. */
 		"ldr	%0, [%2, #4]\n\t" /* The entry address */
diff --git a/mcu/sys-stm32f0.c b/mcu/sys-stm32f0.c
index d773c3c..cd3f60e 100644
--- a/mcu/sys-stm32f0.c
+++ b/mcu/sys-stm32f0.c
@@ -340,13 +340,13 @@ reset (void)
 #else
   extern const uint32_t FT0[256], FT1[256], FT2[256];
   asm volatile ("cpsid	i\n\t"		/* Mask all interrupts. */
-		"ldr	r0, 1f\n\t"     /* r0 = SCR */
+		"ldr	r0, 1f\n\t"     /* r0 = SCB start */
 		"mov	r1, pc\n\t"	/* r1 = (PC + 0x1000) & ~0x0fff */
 		"mov	r2, #0x1000\n\t"
 		"add	r1, r1, r2\n\t"
 		"sub	r2, r2, #1\n\t"
 		"bic	r1, r1, r2\n\t"
-		"str	r1, [r0, #8]\n\t"	/* Set SCR->VCR */
+		"str	r1, [r0, #8]\n\t"	/* Set SCB->VTOR */
 		"ldr	r0, [r1], #4\n\t"
 		"msr	MSP, r0\n\t"	/* Main (exception handler) stack. */
 		"ldr	r0, [r1]\n\t"	/* Reset handler.                  */
diff --git a/mcu/sys-stm32f103.c b/mcu/sys-stm32f103.c
index b958876..2884385 100644
--- a/mcu/sys-stm32f103.c
+++ b/mcu/sys-stm32f103.c
@@ -321,13 +321,13 @@ reset (void)
    * So, we take the address from PC.
    */
   asm volatile ("cpsid	i\n\t"		/* Mask all interrupts. */
-		"ldr	r0, 1f\n\t"     /* r0 = SCR */
+		"ldr	r0, 1f\n\t"     /* r0 = SCB start */
 		"mov	r1, pc\n\t"	/* r1 = (PC + 0x1000) & ~0x0fff */
 		"mov	r2, #0x1000\n\t"
 		"add	r1, r1, r2\n\t"
 		"sub	r2, r2, #1\n\t"
 		"bic	r1, r1, r2\n\t"
-		"str	r1, [r0, #8]\n\t"	/* Set SCR->VCR */
+		"str	r1, [r0, #8]\n\t"	/* Set SCB->VTOR */
 		"ldr	r0, [r1], #4\n\t"
 		"msr	MSP, r0\n\t"	/* Main (exception handler) stack. */
 		"ldr	r0, [r1]\n\t"	/* Reset handler.                  */