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Merge pull request #1917 from cesanta/tm4c

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Correct stack initialization
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Sergey Lyubka authored and GitHub committed 2022-12-13 16:40:10 +00:00
2 parents f47f995e90 6011a15cd4
commit fd475fcfff
1 file changed
+2 -4
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examples/ti/ek-tm4c1294xl-baremetal/boot.c
+2 -4
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@@ -3,9 +3,6 @@
// Startup code // Startup code
__attribute__((naked, noreturn)) void _reset(void) { __attribute__((naked, noreturn)) void _reset(void) {
// Init stack
asm("ldr sp, = _estack");
// Initialise memory // Initialise memory
extern long _sbss, _ebss, _sdata, _edata, _sidata; extern long _sbss, _ebss, _sdata, _edata, _sidata;
for (long *src = &_sbss; src < &_ebss; src++) *src = 0; for (long *src = &_sbss; src < &_ebss; src++) *src = 0;
@@ -132,9 +129,10 @@ WEAK_ALIAS void I2C8_Handler(void);
WEAK_ALIAS void I2C9_Handler(void); WEAK_ALIAS void I2C9_Handler(void);
// IRQ table, 2.5.1 Table 2-9 // IRQ table, 2.5.1 Table 2-9
extern void _estack();
__attribute__((section(".vectors"))) void (*tab[16 + 114])(void) = { __attribute__((section(".vectors"))) void (*tab[16 + 114])(void) = {
// Cortex interrupts // Cortex interrupts
0, _reset, NMI_Handler, HardFault_Handler, MemManage_Handler, _estack, _reset, NMI_Handler, HardFault_Handler, MemManage_Handler,
BusFault_Handler, UsageFault_Handler, 0, 0, 0, 0, SVC_Handler, BusFault_Handler, UsageFault_Handler, 0, 0, 0, 0, SVC_Handler,
DebugMon_Handler, 0, PendSV_Handler, SysTick_Handler, DebugMon_Handler, 0, PendSV_Handler, SysTick_Handler,