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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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@will-v-pi
will-v-pi committed Sep 11, 2025
commit 0add4b4d8390ec60e7ca3b4678e689390df09066
3 changes: 3 additions & 0 deletions src/rp2_common/pico_crt0/rp2040/memmap_blocked_ram.ld
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Expand Up @@ -27,6 +27,7 @@ MEMORY
RAM(rwx) : ORIGIN = 0x21000000, LENGTH = 256k
SCRATCH_X(rwx) : ORIGIN = 0x20040000, LENGTH = 4k
SCRATCH_Y(rwx) : ORIGIN = 0x20041000, LENGTH = 4k

}

ENTRY(_entry_point)
Expand Down Expand Up @@ -149,6 +150,8 @@ SECTIONS
*(.uninitialized_data*)
} > RAM



.data : {
__data_start__ = .;
*(vtable)
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