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authorChristian Krinitsin <mail@krinitsin.com>2025-05-30 16:52:07 +0200
committerChristian Krinitsin <mail@krinitsin.com>2025-05-30 16:52:17 +0200
commit9260319e7411ff8281700a532caa436f40120ec4 (patch)
tree2f6bfe5f3458dd49d328d3a9eb508595450adec0 /gitlab/issues_text/target_missing/host_missing/accel_missing/2135
parent225caa38269323af1bfc2daadff5ec8bd930747f (diff)
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+Looking for ways to bypass MPS3-AN547 bootram size limit
+Description of problem:
+Could not boot MPS3-AN547 machine with images larger than 512KiB. 
+
+I've tried to move part of the symbols to other memory area, but the memories were discontinuous and this resulted in a large image which covers the reserved area in-between and wouldn't boot. I'm looking for advice on how to put more code in bootram. 
+
+I've also noticed the 8MB QSPI rom area, but AN547 does not have the remapping capability as AN524 and cannot use that as bootram. What is the best way to solve this?
+Steps to reproduce:
+1.Generate an image which goes beyond 0x00000000~(0+512K)
+
+2.```qemu-system-arm -M mps3-an547 -nographic -kernel big-image.bin```
+
+3."```qemu-system-arm: Could not load kernel 'nuttx/nuttx.bin'```"
+Additional information:
+Current working linker script:
+```
+MEMORY
+{
+  flash (rx)  : ORIGIN = 0x00000000, LENGTH = 512K
+  sram1 (rwx) : ORIGIN = 0x01000000, LENGTH = 2M
+  sram2 (rwx) : ORIGIN = 0x21000000, LENGTH = 4M
+}
+```
+Problem X is that the flash will overflow.