lm3s1968: enlarge the stack size of the main process to 1K.

[bertos.git] / bertos / cpu / cortex-m3 / hw / startup_lm3s.c

diff --git a/bertos/cpu/cortex-m3/hw/startup_lm3s.c b/bertos/cpu/cortex-m3/hw/startup_lm3s.c
index 279f14ce69d4fb4043f04da8ccb16d9cf147eda6..2e985f6425c03bdccb327887a3f4559f2e4a3f43 100644 (file)
--- a/bertos/cpu/cortex-m3/hw/startup_lm3s.c
+++ b/bertos/cpu/cortex-m3/hw/startup_lm3s.c
@@ -41,13 +41,13 @@
 #include "drv/clock_lm3s.h"
 #include "io/lm3s.h"
 
-extern size_t _etext, __data_start, __data_end,
-               __bss_start, __bss_end, __stack_irq_end;
+extern size_t __text_end, __data_start, __data_end,
+               __bss_start, __bss_end, __stack_end;
 
 extern int main(void);
 
 /* Architecture's entry point */
-static void NORETURN _entry(void)
+static void NORETURN NAKED _entry(void)
 {
        size_t *src, *dst;
 
@@ -76,7 +76,7 @@ static void NORETURN _entry(void)
        clock_set_rate();
 
        /* Copy the data segment initializers from flash to SRAM */
-       src = &_etext;
+       src = &__text_end;
        for (dst = &__data_start; dst < &__data_end ; )
                *dst++ = *src++;
 
@@ -92,27 +92,18 @@ static void NORETURN _entry(void)
        UNREACHABLE();
 }
 
-static void nmi_isr(void)
+static void NORETURN NAKED default_isr(void)
 {
-       ASSERT(0);
-}
-
-static void fault_isr(void)
-{
-       ASSERT(0);
-}
-
-static void default_isr(void)
-{
-       ASSERT(0);
+       PAUSE;
+       UNREACHABLE();
 }
 
 /* Startup vector table */
 static void (* const irq_vectors[])(void) __attribute__ ((section(".vectors"))) = {
-       (void (*)(void))&__stack_irq_end,       /* Initial stack pointer */
+       (void (*)(void))&__stack_end,   /* Initial stack pointer */
        _entry,         /* The reset handler */
-       nmi_isr,        /* The NMI handler */
-       fault_isr,      /* The hard fault handler */
+       default_isr,    /* The NMI handler */
+       default_isr,    /* The hard fault handler */
        default_isr,    /* The MPU fault handler */
        default_isr,    /* The bus fault handler */
        default_isr,    /* The usage fault handler */