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Add support for using XIP cache as SRAM #2660

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Add support for using XIP cache as SRAM #2660

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b2dba0e
Add pico_set_modified_binary_type function
will-v-pi Dec 12, 2024
4430502
Create new linker scripts rather than modifying existing
will-v-pi Sep 1, 2025
3aca4b6
Fix PICO_USE_SW_SPIN_LOCKS=0 on RP2350
will-v-pi Sep 4, 2025
7201ebc
Add support for xip_sram binary type
will-v-pi Sep 4, 2025
eb65240
Add copy_flash_sram modified binary type, and allow data_cpy in no_fl…
will-v-pi Sep 11, 2025
398b71e
Add support for xip_sram binaries on RP2040 and RP2350
will-v-pi Sep 11, 2025
f169711
Add no_flash_using_xip_ram and copy_to_ram_using_xip_ram binary types
will-v-pi Sep 11, 2025
102edab
Add DMA to slow down accesses
will-v-pi Sep 11, 2025
5398b0e
Add pico_get_addressmap_value function
will-v-pi Sep 11, 2025
e78bb05
Bazel checks ignore pico_xip_sram_test, as no bazel support
will-v-pi Sep 11, 2025
7172d25
Fix linker script checks
will-v-pi Sep 11, 2025
0add4b4
Add newlines
will-v-pi Sep 11, 2025
3216c32
Improve time_critical test
will-v-pi Sep 12, 2025
edbad2f
Tidy up pico_get_addressmap_value
will-v-pi Sep 12, 2025
f714343
REVERT THIS: Use xip-sram picotool branch
will-v-pi Sep 12, 2025
8880cab
Fix Risc-V build
will-v-pi Sep 16, 2025
cc78507
Save/restore XIP cache state around flash functions
will-v-pi Sep 18, 2025
f0b5966
Fix config check
will-v-pi Sep 18, 2025
d07fe65
Fix no_flash build
will-v-pi Sep 18, 2025
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Fix linker script checks
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@will-v-pi
will-v-pi committed Sep 11, 2025
commit 7172d259f631e12ac8cb989709ae03c2718c86e7
10 changes: 7 additions & 3 deletions src/rp2_common/pico_standard_link/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -199,12 +199,16 @@ if (NOT TARGET pico_standard_link)
pico_get_addressmap_value(SRAM_SCRATCH_Y_BASE FALLBACK_VAR SRAM5_BASE) # fallback for RP2040
pico_get_addressmap_value(SRAM_END)

# Convert sizes to kibibytes - not necessary, but makes the scripts easier to read
set(PICO_DEFAULT_RAM_ORIGIN ${SRAM_BASE})
set(PICO_DEFAULT_RAM_LENGTH ${SRAM_STRIPED_END}-${SRAM_BASE})
math(EXPR PICO_DEFAULT_RAM_LENGTH "(${SRAM_STRIPED_END}-${SRAM_BASE})/1024")
set(PICO_DEFAULT_RAM_LENGTH "${PICO_DEFAULT_RAM_LENGTH}k")
set(PICO_DEFAULT_SCRATCH_X_ORIGIN ${SRAM_SCRATCH_X_BASE})
set(PICO_DEFAULT_SCRATCH_X_LENGTH ${SRAM_SCRATCH_Y_BASE}-${SRAM_SCRATCH_X_BASE})
math(EXPR PICO_DEFAULT_SCRATCH_X_LENGTH "(${SRAM_SCRATCH_Y_BASE}-${SRAM_SCRATCH_X_BASE})/1024")
set(PICO_DEFAULT_SCRATCH_X_LENGTH "${PICO_DEFAULT_SCRATCH_X_LENGTH}k")
set(PICO_DEFAULT_SCRATCH_Y_ORIGIN ${SRAM_SCRATCH_Y_BASE})
set(PICO_DEFAULT_SCRATCH_Y_LENGTH ${SRAM_END}-${SRAM_SCRATCH_Y_BASE})
math(EXPR PICO_DEFAULT_SCRATCH_Y_LENGTH "(${SRAM_END}-${SRAM_SCRATCH_Y_BASE})/1024")
set(PICO_DEFAULT_SCRATCH_Y_LENGTH "${PICO_DEFAULT_SCRATCH_Y_LENGTH}k")

# Scripts that will be created by this function
set(LINKER_CMAKE_SCRIPT "${CMAKE_CURRENT_BINARY_DIR}/memmap_${TARGET}.cmake")
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