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Arm backend: Reduce arm_executor_runner binary size #9907

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Merged
merged 1 commit into from
Apr 4, 2025
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Arm backend: Reduce arm_executor_runner binary size #9907

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72 changes: 72 additions & 0 deletions examples/arm/ethos-u-setup/core_platform/0002-Move-input_data_sec-to-NOLOAD-area.patch
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Original file line number Diff line number Diff line change
@@ -0,0 +1,72 @@
From 23712ff626db16793d428dddcb530f9e5faaa073 Mon Sep 17 00:00:00 2001
From: Adrian Lundell <[email protected]>
Date: Thu, 3 Apr 2025 14:25:52 +0200
Subject: [PATCH] Move input_data_sec to NOLOAD area

---
targets/corstone-300/platform.ld | 10 ++++++++--
targets/corstone-320/platform.ld | 8 ++++++--
2 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/targets/corstone-300/platform.ld b/targets/corstone-300/platform.ld
index 1733509..3ccce64 100644
--- a/targets/corstone-300/platform.ld
+++ b/targets/corstone-300/platform.ld
@@ -272,13 +272,12 @@ SECTIONS
*(.bss.tensor_arena)
#endif

- . = ALIGN(4);
- *(input_data_sec)
. = ALIGN(16);
#if (ETHOSU_MODEL == 1)
*(network_model_sec)
#endif
* (expected_output_data_sec)
+ . = ALIGN(16);
* (sec_command_stream, sec_weight_data, sec_input_data)
*(.got*)
*(.rodata*)
@@ -287,6 +286,13 @@ SECTIONS
. = ALIGN(4);
} > DDR :rom_dram

+ .ddr_noload (NOLOAD) :
+ {
+ . = ALIGN(16);
+ *(input_data_sec)
+ . = ALIGN(16);
+ } > DDR :null
+
__eddr_data = ALIGN (4) ;
.sram.data : {
__sram_data_start__ = .;
diff --git a/targets/corstone-320/platform.ld b/targets/corstone-320/platform.ld
index c8261c0..9b7e071 100644
--- a/targets/corstone-320/platform.ld
+++ b/targets/corstone-320/platform.ld
@@ -268,8 +268,6 @@ SECTIONS
*(network_model_sec)
#endif

- . = ALIGN(4);
- *(input_data_sec)
*(expected_output_data_sec)
*(output_data_sec)

@@ -279,6 +277,12 @@ SECTIONS
__etext = .;
} > DDR :rom_dram

+ .ddr_noload (NOLOAD) :
+ {
+ . = ALIGN(16);
+ *(input_data_sec)
+ } > DDR :null
+
.bss :
{
. = ALIGN(4);
--
2.43.0

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