src/irq-legacy.c: Free allocated memory in hander remove

bootcard.c: Check if the heap fits into the work area
This commit is contained in:
Thomas Doerfler
2008-07-29 07:11:21 +00:00
parent af37ae0dd3
commit cc54cc9175
3 changed files with 62 additions and 35 deletions

View File

@@ -1,3 +1,9 @@
2008-07-28 Sebastian Huber <sebastian.huber@embedded-brains.de>
* src/irq-legacy.c: Free allocated memory in hander remove.
* bootcard.c: Check if the heap fits into the work area.
2008-07-24 Sebastian Huber <sebastian.huber@embedded-brains.de> 2008-07-24 Sebastian Huber <sebastian.huber@embedded-brains.de>
* include/bootcard.h: New file. * include/bootcard.h: New file.

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@@ -58,36 +58,49 @@ char *rtems_progname;
* the RTEMS Workspace and C Program Heap. * the RTEMS Workspace and C Program Heap.
*/ */
#if defined(BSP_BOOTCARD_HANDLES_RAM_ALLOCATION) #if defined(BSP_BOOTCARD_HANDLES_RAM_ALLOCATION)
static void bootcard_bsp_libc_helper( static rtems_status_code bootcard_bsp_libc_helper(
void *work_area_start, void *work_area_start,
size_t work_area_size, size_t work_area_size,
void *heap_start, void *heap_start,
size_t heap_size size_t heap_size
) )
{ {
size_t heap_size_default = 0;
if (heap_start == BSP_BOOTCARD_HEAP_USES_WORK_AREA) { if (heap_start == BSP_BOOTCARD_HEAP_USES_WORK_AREA) {
/* Use the work area start as heap start */ /* Use the work area start as heap start */
heap_start = work_area_start; heap_start = work_area_start;
/* Ensure proper alignement */ /* Ensure proper alignement */
if ((uintptr_t) heap_start & (CPU_ALIGNMENT - 1)) { if ((uintptr_t) heap_start & (CPU_ALIGNMENT - 1)) {
heap_start = (void *) (((uintptr_t) heap_start + CPU_ALIGNMENT) & ~(CPU_ALIGNMENT - 1)); heap_start = (void *) (((uintptr_t) heap_start + CPU_ALIGNMENT)
& ~(CPU_ALIGNMENT - 1));
} }
/* /*
* Use the free space from the start of the work area up to the work * For the default heap size use the free space from the start of the
* space start as heap area. * work area up to the work space start as heap area.
*/ */
if (heap_size == BSP_BOOTCARD_HEAP_SIZE_DEFAULT) { heap_size_default = (char *) Configuration.work_space_start
heap_size = (char *) Configuration.work_space_start
- (char *) work_area_start; - (char *) work_area_start;
/* Keep it as a multiple of 16 bytes */ /* Keep it as a multiple of 16 bytes */
heap_size &= 0xfffffff0; heap_size_default &= ~((size_t) 0xf);
/* Use default heap size if requested */
if (heap_size == BSP_BOOTCARD_HEAP_SIZE_DEFAULT) {
heap_size = heap_size_default;
}
/* Check heap size */
if (heap_size > heap_size_default) {
return RTEMS_INVALID_SIZE;
} }
} }
bsp_libc_init( heap_start, (uint32_t) heap_size, 0); bsp_libc_init( heap_start, (uint32_t) heap_size, 0);
return RTEMS_SUCCESSFUL;
} }
#endif #endif
@@ -109,6 +122,7 @@ int boot_card(
char **envp_p = &envp_pointer; char **envp_p = &envp_pointer;
rtems_interrupt_level bsp_isr_level; rtems_interrupt_level bsp_isr_level;
#if defined(BSP_BOOTCARD_HANDLES_RAM_ALLOCATION) #if defined(BSP_BOOTCARD_HANDLES_RAM_ALLOCATION)
rtems_status_code sc = RTEMS_SUCCESSFUL;
void *work_area_start = NULL; void *work_area_start = NULL;
size_t work_area_size = 0; size_t work_area_size = 0;
void *heap_start = NULL; void *heap_start = NULL;
@@ -164,7 +178,7 @@ int boot_card(
- rtems_configuration_get_work_space_size(); - rtems_configuration_get_work_space_size();
if ((uintptr_t) work_space_start <= (uintptr_t) work_area_start) { if ((uintptr_t) work_space_start <= (uintptr_t) work_area_start) {
printk( "bootcard: Not enough RAM!!!\n" ); printk( "bootcard: Work space to big for work area!\n");
bsp_cleanup(); bsp_cleanup();
return -1; return -1;
} }
@@ -175,7 +189,6 @@ int boot_card(
memset( work_area_start, 0xCF, work_area_size); memset( work_area_start, 0xCF, work_area_size);
#endif #endif
} }
#endif #endif
/* /*
@@ -193,12 +206,17 @@ int boot_card(
* framework. * framework.
*/ */
#if defined(BSP_BOOTCARD_HANDLES_RAM_ALLOCATION) #if defined(BSP_BOOTCARD_HANDLES_RAM_ALLOCATION)
bootcard_bsp_libc_helper( sc = bootcard_bsp_libc_helper(
work_area_start, work_area_start,
work_area_size, work_area_size,
heap_start, heap_start,
heap_size heap_size
); );
if (sc != RTEMS_SUCCESSFUL) {
printk( "bootcard: Cannot initialize C library!\n");
bsp_cleanup();
return -1;
}
#endif #endif
/* /*

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@@ -169,6 +169,9 @@ int BSP_remove_rtems_irq_handler( const rtems_irq_connect_data *cd)
} }
sc = rtems_interrupt_handler_remove( cd->name, bsp_interrupt_legacy_dispatch, e.legacy_handler_arg); sc = rtems_interrupt_handler_remove( cd->name, bsp_interrupt_legacy_dispatch, e.legacy_handler_arg);
free( e.legacy_handler_arg);
if (sc != RTEMS_SUCCESSFUL) { if (sc != RTEMS_SUCCESSFUL) {
return 0; return 0;
} }