Merge pull request #864 from openmv/omv3_stack_mem

Move OpenMV3 stack to ITCM.
This commit is contained in:
Ibrahim Abd Elkader 2020-07-30 23:40:29 +02:00 committed by GitHub
commit 3db570fd90
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3 changed files with 11 additions and 3 deletions

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@ -75,13 +75,13 @@
// The maximum available fb_alloc memory = FB_ALLOC_SIZE + FB_SIZE - (w*h*bpp).
#define OMV_FB_MEMORY SRAM1 // Framebuffer, fb_alloc
#define OMV_MAIN_MEMORY CCM // data, bss and heap
#define OMV_STACK_MEMORY CCM // stack memory
#define OMV_STACK_MEMORY ITCM // stack memory
#define OMV_DMA_MEMORY CCM // Misc DMA buffers
#define OMV_FB_SIZE (300K) // FB memory: header + VGA/GS image
#define OMV_FB_ALLOC_SIZE (84K) // minimum fb alloc size
#define OMV_STACK_SIZE (4K)
#define OMV_HEAP_SIZE (54K)
#define OMV_STACK_SIZE (16K)
#define OMV_HEAP_SIZE (58K)
#define OMV_LINE_BUF_SIZE (3 * 1024) // Image line buffer round(640 * 2BPP * 2 buffers).
#define OMV_MSC_BUF_SIZE (2K) // USB MSC bot data
@ -95,6 +95,8 @@
#define OMV_TEXT_LENGTH 1920K
#define OMV_CCM_ORIGIN 0x20000000
#define OMV_CCM_LENGTH 128K // Note DTCM/ITCM memory is not cacheable on M7
#define OMV_ITCM_ORIGIN 0x00000000
#define OMV_ITCM_LENGTH 16K
#define OMV_SRAM1_ORIGIN 0x20020000
#define OMV_SRAM1_LENGTH 384K

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@ -18,6 +18,9 @@ ENTRY(Reset_Handler)
MEMORY
{
CCM (xrw) : ORIGIN = OMV_CCM_ORIGIN, LENGTH = OMV_CCM_LENGTH
#if defined(OMV_ITCM_ORIGIN)
ITCM (xrw) : ORIGIN = OMV_ITCM_ORIGIN, LENGTH = OMV_ITCM_LENGTH
#endif
SRAM1 (xrw) : ORIGIN = OMV_SRAM1_ORIGIN, LENGTH = OMV_SRAM1_LENGTH
#if defined(OMV_SRAM2_ORIGIN)
SRAM2 (xrw) : ORIGIN = OMV_SRAM2_ORIGIN, LENGTH = OMV_SRAM2_LENGTH

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@ -18,6 +18,9 @@ ENTRY(Reset_Handler)
MEMORY
{
CCM (xrw) : ORIGIN = OMV_CCM_ORIGIN, LENGTH = OMV_CCM_LENGTH
#if defined(OMV_ITCM_ORIGIN)
ITCM (xrw) : ORIGIN = OMV_ITCM_ORIGIN, LENGTH = OMV_ITCM_LENGTH
#endif
SRAM1 (xrw) : ORIGIN = OMV_SRAM1_ORIGIN, LENGTH = OMV_SRAM1_LENGTH
#if defined(OMV_SRAM2_ORIGIN)
SRAM2 (xrw) : ORIGIN = OMV_SRAM2_ORIGIN, LENGTH = OMV_SRAM2_LENGTH