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Use "System Control Block" instead of "System Control Registers".

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NIIBE Yutaka
2018-12-29 09:33:19 +09:00
parent b6c90e3df4
commit 2b18685cbf
3 changed files with 7 additions and 7 deletions
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4
mcu/sys-stm32f103.c
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@@ -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. */