From 5e1ef5e23dd3e594072f8f32cbb4a6f392d36e55 Mon Sep 17 00:00:00 2001 From: Amlal El Mahrouss Date: Fri, 4 Apr 2025 09:05:35 +0200 Subject: fw/modules: add astdx for embdfs. Signed-off-by: Amlal El Mahrouss --- docs/md/SPECIFICATION_FIRMWARE.md | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 docs/md/SPECIFICATION_FIRMWARE.md (limited to 'docs/md') diff --git a/docs/md/SPECIFICATION_FIRMWARE.md b/docs/md/SPECIFICATION_FIRMWARE.md new file mode 100644 index 0000000..39aa2a0 --- /dev/null +++ b/docs/md/SPECIFICATION_FIRMWARE.md @@ -0,0 +1,39 @@ +================================================================== + + Multi Platform Firmware + +================================================================== + +================================================================== +0. What the objective: +================================================================== + +- Optimized for each target. +- EPM/GPT compilant. +- AMD64, PowerPC, RISC-V, 64x0, 32x0 support. +- SMP support. + +================================================================== +1. How we're going to do that: +================================================================== + +- Abstract Memory and I/O. (pci-tree) +- Platform Independent Device Tree. (pci-tree) +- Common Starting point for each core (smp) + +================================================================== +2. Executable Layout: +================================================================== + +- 0x80000000/0x00FF/0x0000: Firmware Startup Code +- 0x90000000/0x7c00: Linear Header or EPM partition. + +================================================================== +3. Error Codes: +================================================================== + +- CB0001: Not bootable to Stage2 (or bootloader). +- CB0003: Bad arch. +- CB0002: Context returned early. + + -- cgit v1.2.3