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Diffstat (limited to 'docs/reducing_ec_image_size.md')
| -rw-r--r-- | docs/reducing_ec_image_size.md | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/docs/reducing_ec_image_size.md b/docs/reducing_ec_image_size.md index 56fe78ae2d..5e09c99e51 100644 --- a/docs/reducing_ec_image_size.md +++ b/docs/reducing_ec_image_size.md @@ -13,7 +13,7 @@ The EC codebase supports two build types: 1. `cros-ec` builds are the legacy EC images built using Make (e.g. `make BOARD=volteer`) 1. `zephyr-ec` builds are the EC images built using the Zephyr RTOS kernel using - zmake/Cmake (e.g. `zmake build volteer`) + zmake/Cmake (e.g. `zmake build herobrine`) ### Checking a single cros-ec build @@ -88,17 +88,21 @@ By default, `zmake` will display the flash and SRAM usage of the board. ``` -$ zmake build volteer +$ zmake build herobrine ... -Building /mnt/host/source/src/platform/ec/build/zephyr/volteer:ro: /usr/bin/ninja -C /mnt/host/source/src/platform/ec/build/zephyr/volteer/build-ro +Building herobrine:ro: /usr/bin/ninja -C /mnt/host/source/src/platform/ec/build/zephyr/herobrine/build-ro +-- git describe warned: warning: tag 'upstream/v2.7.99' is externally known as 'v2.7.99' +-- Zephyr version: 3.0.99 (/mnt/host/source/src/third_party/zephyr/main), build: v2.7.99-5035-ga17c05c7228e Memory region Used Size Region Size %age Used - FLASH: 230852 B 512 KB 44.03% - SRAM: 51520 B 62 KB 81.15% + FLASH: 219920 B 256 KB 83.89% + SRAM: 49688 B 64 KB 75.82% IDT_LIST: 0 GB 2 KB 0.00% -Building /mnt/host/source/src/platform/ec/build/zephyr/volteer:rw: /usr/bin/ninja -C /mnt/host/source/src/platform/ec/build/zephyr/volteer/build-rw +Building herobrine:rw: /usr/bin/ninja -C /mnt/host/source/src/platform/ec/build/zephyr/herobrine/build-rw +-- git describe warned: warning: tag 'upstream/v2.7.99' is externally known as 'v2.7.99' +-- Zephyr version: 3.0.99 (/mnt/host/source/src/third_party/zephyr/main), build: v2.7.99-5035-ga17c05c7228e Memory region Used Size Region Size %age Used - FLASH: 230852 B 512 KB 44.03% - SRAM: 51520 B 62 KB 81.15% + FLASH: 219920 B 256 KB 83.89% + SRAM: 49688 B 64 KB 75.82% IDT_LIST: 0 GB 2 KB 0.00% ``` @@ -118,14 +122,14 @@ working outside the chroot. Follow the [instructions][1] for building zephyr-ec images outside chroot before running the commands below. ``` -# Configure the Volteer zephyr project, storing the build files in /tmp/zephyr-volteer -$ zmake configure -B /tmp/zephyr-volteer volteer +# Configure the Herobrine zephyr project, storing the build files in /tmp/zephyr-herobrine +$ zmake configure -B /tmp/zephyr-herobrine herobrine # Build the RO image -$ ninja -C /tmp/zephyr-volteer/volteer/build-ro +$ ninja -C /tmp/zephyr-herobrine/herobrine/build-ro # Generate the ROM report, report sent to stdout -$ ninja -C /tmp/zephyr-volteer/volteer/build-ro rom_report +$ ninja -C /tmp/zephyr-herobrine/herobrine/build-ro rom_report ``` Please refer to the [Zephyr Optimization Tools][3] documentation for details on |