diff options
Diffstat (limited to 'nuttx/arch/arm')
| -rw-r--r-- | nuttx/arch/arm/src/armv7-m/exc_return.h | 15 | ||||
| -rw-r--r-- | nuttx/arch/arm/src/lpc17xx/lpc17_allocateheap.c | 18 | ||||
| -rw-r--r-- | nuttx/arch/arm/src/sam3u/sam3u_allocateheap.c | 18 | ||||
| -rw-r--r-- | nuttx/arch/arm/src/stm32/stm32_eth.c | 2 |
4 files changed, 50 insertions, 3 deletions
diff --git a/nuttx/arch/arm/src/armv7-m/exc_return.h b/nuttx/arch/arm/src/armv7-m/exc_return.h index a7840d5c3..5f46dd071 100644 --- a/nuttx/arch/arm/src/armv7-m/exc_return.h +++ b/nuttx/arch/arm/src/armv7-m/exc_return.h @@ -93,13 +93,24 @@ * state from the main stack. Execution uses MSP after return. */ -#define EXC_RETURN_PRIVTHR 0xfffffff9 +#if defined(CONFIG_ARMV7M_CMNVECTOR) && defined(CONFIG_ARCH_FPU) +# define EXC_RETURN_PRIVTHR (EXC_RETURN_BASE | EXC_RETURN_THREAD_MODE) +#else +# define EXC_RETURN_PRIVTHR (EXC_RETURN_BASE | EXC_RETURN_STD_CONTEXT | \ + EXC_RETURN_THREAD_MODE) +#endif /* EXC_RETURN_UNPRIVTHR: Return to unprivileged thread mode. Exception return gets * state from the process stack. Execution uses PSP after return. */ -#define EXC_RETURN_UNPRIVTHR 0xfffffffd +#if defined(CONFIG_ARMV7M_CMNVECTOR) && defined(CONFIG_ARCH_FPU) +# define EXC_RETURN_UNPRIVTHR (EXC_RETURN_BASE | EXC_RETURN_THREAD_MODE | \ + EXC_RETURN_PROCESS_STACK) +#else +# define EXC_RETURN_UNPRIVTHR (EXC_RETURN_BASE | EXC_RETURN_STD_CONTEXT | \ + EXC_RETURN_THREAD_MODE | EXC_RETURN_PROCESS_STACK) +#endif /* In the kernel build is not selected, then all threads run in privileged thread * mode. diff --git a/nuttx/arch/arm/src/lpc17xx/lpc17_allocateheap.c b/nuttx/arch/arm/src/lpc17xx/lpc17_allocateheap.c index 047edf5e3..e6eadf306 100644 --- a/nuttx/arch/arm/src/lpc17xx/lpc17_allocateheap.c +++ b/nuttx/arch/arm/src/lpc17xx/lpc17_allocateheap.c @@ -193,6 +193,24 @@ * If a protected kernel-space heap is provided, the kernel heap must be * allocated (and protected) by an analogous up_allocate_kheap(). * + * The following memory map is assumed for the flat build: + * + * .data region. Size determined at link time. + * .bss region Size determined at link time. + * IDLE thread stack. Size determined by CONFIG_IDLETHREAD_STACKSIZE. + * Heap. Extends to the end of SRAM. + * + * The following memory map is assumed for the kernel build: + * + * Kernel .data region. Size determined at link time. + * Kernel .bss region Size determined at link time. + * Kernel IDLE thread stack. Size determined by CONFIG_IDLETHREAD_STACKSIZE. + * Padding for alignment + * User .data region. Size determined at link time. + * User .bss region Size determined at link time. + * Kernel heap. Size determined by CONFIG_MM_KERNEL_HEAPSIZE. + * User heap. Extends to the end of SRAM. + * ****************************************************************************/ void up_allocate_heap(FAR void **heap_start, size_t *heap_size) diff --git a/nuttx/arch/arm/src/sam3u/sam3u_allocateheap.c b/nuttx/arch/arm/src/sam3u/sam3u_allocateheap.c index 576fae802..1b41812bb 100644 --- a/nuttx/arch/arm/src/sam3u/sam3u_allocateheap.c +++ b/nuttx/arch/arm/src/sam3u/sam3u_allocateheap.c @@ -104,6 +104,24 @@ * If a protected kernel-space heap is provided, the kernel heap must be * allocated (and protected) by an analogous up_allocate_kheap(). * + * The following memory map is assumed for the flat build: + * + * .data region. Size determined at link time. + * .bss region Size determined at link time. + * IDLE thread stack. Size determined by CONFIG_IDLETHREAD_STACKSIZE. + * Heap. Extends to the end of SRAM. + * + * The following memory map is assumed for the kernel build: + * + * Kernel .data region. Size determined at link time. + * Kernel .bss region Size determined at link time. + * Kernel IDLE thread stack. Size determined by CONFIG_IDLETHREAD_STACKSIZE. + * Padding for alignment + * User .data region. Size determined at link time. + * User .bss region Size determined at link time. + * Kernel heap. Size determined by CONFIG_MM_KERNEL_HEAPSIZE. + * User heap. Extends to the end of SRAM. + * ****************************************************************************/ void up_allocate_heap(FAR void **heap_start, size_t *heap_size) diff --git a/nuttx/arch/arm/src/stm32/stm32_eth.c b/nuttx/arch/arm/src/stm32/stm32_eth.c index 006f67142..09efaf193 100644 --- a/nuttx/arch/arm/src/stm32/stm32_eth.c +++ b/nuttx/arch/arm/src/stm32/stm32_eth.c @@ -1719,7 +1719,7 @@ static void stm32_freeframe(FAR struct stm32_ethmac_s *priv) /* Check if this is the last segement of a TX frame */ - if ((txdesc->tdes0 & ETH_TDES0_FS) != 0) + if ((txdesc->tdes0 & ETH_TDES0_LS) != 0) { /* Yes.. Decrement the number of frames "in-flight". */ |