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Arm backend: Move the rodata to the DDR and bring the ITCM limit back… #7008

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Arm backend: Move the rodata to the DDR and bring the ITCM limit back… #7008

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2 changes: 0 additions & 2 deletions backends/arm/test/runner_utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -267,8 +267,6 @@ def run_corstone(
"-C",
"mps3_board.uart0.out_file='-'",
"-C",
"cpu0.CFGITCMSZ=11",
"-C",
"cpu0.semihosting-enable=1",
"-C",
"cpu0.semihosting-stack_base=0",
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1 change: 0 additions & 1 deletion docs/source/executorch-arm-delegate-tutorial.md
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Original file line number Diff line number Diff line change
Expand Up @@ -322,7 +322,6 @@ ethos_u_build_dir=examples/arm/executor_runner/
elf=$(find ${ethos_u_build_dir} -name "arm_executor_runner")

FVP_Corstone_SSE-320_Ethos-U85 \
-C mps4_board.subsystem.cpu0.CFGITCMSZ=11 \
-C mps4_board.subsystem.ethosu.num_macs=${num_macs} \
-C mps4_board.visualisation.disable-visualisation=1 \
-C vis_hdlcd.disable_visualisation=1 \
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24 changes: 0 additions & 24 deletions ...les/arm/ethos-u-setup/core_platform/patches/0001-Add-.data-fixup-from-Corestone-300.patch
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34 changes: 34 additions & 0 deletions examples/arm/ethos-u-setup/core_platform/patches/0001-Move-rodata-to-the-DDR.patch
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Original file line number Diff line number Diff line change
@@ -0,0 +1,34 @@
From 0fb46c2fe4a072546f87c6cb9202d5001f1eb9c5 Mon Sep 17 00:00:00 2001
From: George Gekov <[email protected]>
Date: Mon, 18 Nov 2024 11:24:11 +0000
Subject: [PATCH] Move rodata to the DDR

---
targets/corstone-300/platform.ld | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/targets/corstone-300/platform.ld b/targets/corstone-300/platform.ld
index b458fc6..8d4bc73 100644
--- a/targets/corstone-300/platform.ld
+++ b/targets/corstone-300/platform.ld
@@ -154,7 +154,7 @@ SECTIONS
*(SORT(.dtors.*))
*(.dtors)

- *(.rodata*)
+

KEEP(*(.eh_frame*))
} > ITCM :rom_exec
@@ -280,7 +280,7 @@ SECTIONS
#endif
* (expected_output_data_sec)
* (sec_command_stream, sec_weight_data, sec_input_data)
-
+ *(.rodata*)
* (ethosu_core_in_queue)
* (ethosu_core_out_queue)
. = ALIGN(4);
--
2.25.1

33 changes: 0 additions & 33 deletions examples/arm/ethos-u-setup/core_platform/patches/0001-New-phdr-for-.data-section.patch
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37 changes: 0 additions & 37 deletions examples/arm/ethos-u-setup/core_platform/patches/0003-Make-ITCM-1MB.patch
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1 change: 1 addition & 0 deletions examples/arm/executor_runner/CMakeLists.txt
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Expand Up @@ -234,6 +234,7 @@ target_link_libraries(
quantized_kernels
portable_kernels
"-Wl,--no-whole-archive"
-Xlinker -Map=arm_executor_runner.map
)

# ET headers and generated headers includes
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2 changes: 0 additions & 2 deletions examples/arm/run.sh
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Expand Up @@ -226,7 +226,6 @@ function run_fvp() {
if [[ ${target} == *"ethos-u55"* ]]; then
echo "Running ${elf} for ${target} run with FVP:${fvp_model} num_macs:${num_macs}"
${fvp_model} \
-C cpu0.CFGITCMSZ=11 \
-C ethosu.num_macs=${num_macs} \
-C mps3_board.visualisation.disable-visualisation=1 \
-C mps3_board.telnetterminal0.start_telnet=0 \
Expand All @@ -238,7 +237,6 @@ function run_fvp() {
elif [[ ${target} == *"ethos-u85"* ]]; then
echo "Running ${elf} for ${target} run with FVP:${fvp_model} num_macs:${num_macs}"
${fvp_model} \
-C mps4_board.subsystem.cpu0.CFGITCMSZ=11 \
-C mps4_board.subsystem.ethosu.num_macs=${num_macs} \
-C mps4_board.visualisation.disable-visualisation=1 \
-C vis_hdlcd.disable_visualisation=1 \
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