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fix nrf52 layout #98

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merged 5 commits into from
Nov 22, 2019
+42 −8
Merged

fix nrf52 layout #98

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5cf866b
fix nrf52 layout
fhars Oct 14, 2019
70791a3
update README
fhars Oct 14, 2019
5dbdd50
add changes for nRF52840-DK
fhars Oct 15, 2019
7d9d856
mention potential SRAM layout issues in README
fhars Oct 16, 2019
2740ae4
Add current tock kernel version.
torfmaster Nov 22, 2019
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11 changes: 10 additions & 1 deletion README.md
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Expand Up @@ -2,7 +2,16 @@
# libtock-rs
Rust userland library for Tock (WIP)

Tested with tock a3b36d5872315ff05ef5ad34ed9453b0789218ce.
Tested with tock [Release 1.4](https://github.com/tock/tock/commit/2cef02405e699c06cefd0aae6a89f0e8cc4395ab).

The library works in principle on most boards, but there is currently the [showstopper
bug #28](https://github.com/tock/libtock-rs/issues/28) that prevents
the generation of relocatable code. This means that all applications
must be installed at the flash address they are compiled with, which
usually means that they must be compiled especially for your board
and that there can only be one application written in rust at a time
and it must be installed as the first application on the board, unless
you want to play games with linker scripts.

## Getting Started

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2 changes: 1 addition & 1 deletion nrf52_layout.ld
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MEMORY {
/* The application region is 64 bytes (0x40) */
FLASH (rx) : ORIGIN = 0x00020040, LENGTH = 0x0005FFC0
FLASH (rx) : ORIGIN = 0x00030040, LENGTH = 0x0005FFC0
SRAM (rwx) : ORIGIN = 0x20002000, LENGTH = 62K
}

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2 changes: 1 addition & 1 deletion run_example.sh
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Expand Up @@ -11,7 +11,7 @@ elf_file_name="target/tab/$1/cortex-m4.elf"
tab_file_name="target/tab/$1.tab"

# Default value for nRF52-DK
tockloader_flags="--jlink --arch cortex-m4 --board nrf52dk --jtag-device nrf52 --app-address 0x20000"
tockloader_flags="--jlink --arch cortex-m4 --board nrf52dk --jtag-device nrf52"

hail_defined=${hail:-}
if [ -n "$hail_defined" ]
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2 changes: 1 addition & 1 deletion run_hardware_test.sh
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Expand Up @@ -4,6 +4,6 @@

set -eux

yes 0|tockloader uninstall --jlink --arch cortex-m4 --board nrf52dk --jtag-device nrf52 --app-address 0x20000 || true
yes 0|tockloader uninstall --jlink --arch cortex-m4 --board nrf52dk --jtag-device nrf52 || true

./run_example.sh hardware_test --dont-clear-apps