MLECO-3071: Reducing stack sizes
After evaluating stack sizes (after HAL refactoring) we can
safely reduce the stack allocation for all the applications.
Change-Id: I7d9cd4edd28753fe3f8a668d8c557c2788f4c823
Signed-off-by: Kshitij Sisodia <kshitij.sisodia@arm.com>
diff --git a/scripts/cmake/platforms/mps3/mps3-sse-300.ld b/scripts/cmake/platforms/mps3/mps3-sse-300.ld
index d369fa7..3e930a0 100644
--- a/scripts/cmake/platforms/mps3/mps3-sse-300.ld
+++ b/scripts/cmake/platforms/mps3/mps3-sse-300.ld
@@ -15,7 +15,7 @@
* limitations under the License.
*/
-__STACK_SIZE = 0x00060000;
+__STACK_SIZE = 0x00008000;
__HEAP_SIZE = 0x000C0000;
/* System memory brief */
diff --git a/scripts/cmake/platforms/mps3/mps3-sse-300.sct b/scripts/cmake/platforms/mps3/mps3-sse-300.sct
index f78dc25..0a38778 100644
--- a/scripts/cmake/platforms/mps3/mps3-sse-300.sct
+++ b/scripts/cmake/platforms/mps3/mps3-sse-300.sct
@@ -16,10 +16,12 @@
; *************************************************************
; *** Scatter-Loading Description File ***
; *************************************************************
-; Please see docs/sections/appendix.md for memory mapping information.
+; Please see docs/sections/appendix.md for memory mapping
+; information.
;
-; Note: Ethos-U NPU can access BRAM, internal SRAM and the DDR sections => activation buffers and
-; the model should only be placed in those regions.
+; Note: Ethos-U NPU can access BRAM, internal SRAM and the DDR
+; sections => activation buffers and the model should
+; only be placed in those regions.
;
;---------------------------------------------------------
; First load region (ITCM)
@@ -40,23 +42,23 @@
}
;-----------------------------------------------------
- ; 128kiB of 512kiB DTCM is used for any other RW or ZI
+ ; 384kiB of 512kiB DTCM is used for any other RW or ZI
; data. Note: this region is internal to the Cortex-M
; CPU.
;-----------------------------------------------------
- dtcm.bin 0x20000000 0x00020000
+ dtcm.bin 0x20000000 0x00060000
{
; Any R/W and/or zero initialised data
.ANY(+RW +ZI)
}
;-----------------------------------------------------
- ; 384kiB of stack space within the DTCM region. See
+ ; 32 kiB of stack space within the DTCM region. See
; `dtcm.bin` for the first section. Note: by virtue of
; being part of DTCM, this region is only accessible
- ; from Cortex-M55.
+ ; from Cortex-M55. We use the last DTCM bank
;-----------------------------------------------------
- ARM_LIB_STACK 0x20020000 EMPTY ALIGN 8 0x00060000
+ ARM_LIB_STACK 0x20060000 EMPTY ALIGN 8 0x00008000
{}
;-----------------------------------------------------
diff --git a/scripts/cmake/platforms/simple_platform/simple_platform.ld b/scripts/cmake/platforms/simple_platform/simple_platform.ld
index 82cb18e..7f1c9c2 100644
--- a/scripts/cmake/platforms/simple_platform/simple_platform.ld
+++ b/scripts/cmake/platforms/simple_platform/simple_platform.ld
@@ -15,7 +15,7 @@
* limitations under the License.
*/
-__STACK_SIZE = 0x00060000;
+__STACK_SIZE = 0x00008000;
__HEAP_SIZE = 0x000C0000;
/* System memory brief */
diff --git a/scripts/cmake/platforms/simple_platform/simple_platform.sct b/scripts/cmake/platforms/simple_platform/simple_platform.sct
index 5825d47..af639d6 100644
--- a/scripts/cmake/platforms/simple_platform/simple_platform.sct
+++ b/scripts/cmake/platforms/simple_platform/simple_platform.sct
@@ -16,11 +16,12 @@
; *************************************************************
; *** Scatter-Loading Description File ***
; *************************************************************
-; Please see docs/sections/appendix.md for memory mapping information.
+; Please see docs/sections/appendix.md for memory mapping
+; information.
;
; Note: Ethos-U NPU can access BRAM, internal SRAM and the DDR
-; sections => activation buffers and the model should only
-; be placed in those regions.
+; sections => activation buffers and the model should
+; only be placed in those regions.
;
;---------------------------------------------------------
; First load region (ITCM)
@@ -41,28 +42,28 @@
}
;-----------------------------------------------------
- ; 128kiB of 512kiB DTCM is used for any other RW or ZI
+ ; 384kiB of 512kiB DTCM is used for any other RW or ZI
; data. Note: this region is internal to the Cortex-M
; CPU.
;-----------------------------------------------------
- dtcm.bin 0x20000000 0x00020000
+ dtcm.bin 0x20000000 0x00060000
{
; Any R/W and/or zero initialised data
.ANY(+RW +ZI)
}
;-----------------------------------------------------
- ; 384kiB of stack space within the DTCM region. See
+ ; 32 kiB of stack space within the DTCM region. See
; `dtcm.bin` for the first section. Note: by virtue of
; being part of DTCM, this region is only accessible
- ; from Cortex-M55.
+ ; from Cortex-M55. We use the last DTCM bank
;-----------------------------------------------------
- ARM_LIB_STACK 0x20020000 EMPTY ALIGN 8 0x00060000
+ ARM_LIB_STACK 0x20060000 EMPTY ALIGN 8 0x00008000
{}
;-----------------------------------------------------
- ; SSE-300's internal SRAM of 2MiB - reserved for
- ; activation buffers.
+ ; FPGA internal SRAM of 2MiB - reserved for activation
+ ; buffers.
; This region should have 3 cycle read latency from
; both Cortex-M55 and Ethos-U NPU
;-----------------------------------------------------
diff --git a/scripts/cmake/toolchains/bare-metal-armclang.cmake b/scripts/cmake/toolchains/bare-metal-armclang.cmake
index 9752053..d0b0824 100644
--- a/scripts/cmake/toolchains/bare-metal-armclang.cmake
+++ b/scripts/cmake/toolchains/bare-metal-armclang.cmake
@@ -84,14 +84,21 @@
add_link_options(${CPU_LINK_OPT})
set(CMAKE_ASM_FLAGS "${CPU_LINK_OPT}")
+set(ARMCLANG_INFO_STR "sizes,totals,unused,veneers,summarysizes")
+if(CMAKE_BUILD_TYPE STREQUAL Debug)
+ # For debug builds, we can add stack information too:
+ set(ARMCLANG_INFO_STR "${ARMCLANG_INFO_STR},stack,summarystack")
+endif()
+
# Warnings to be ignored:
# L6314W = No section matches pattern
# L6439W = Multiply defined Global Symbol
add_link_options(
--diag_suppress=L6439W,L6314W
- --info sizes,totals,unused,veneers
+ --info ${ARMCLANG_INFO_STR}
--strict
--callgraph
+ --no_exceptions
--load_addr_map_info
--xref
"$<$<CONFIG:RELEASE>:--no_debug>")