opensbi.git/docs, branch v1.7

docs: pmu_support: fix example typos

2025-04-14T11:55:54Z

The (event ID & "second column mask") should equal the "first column match value". Modify the example to fit the description. Signed-off-by: Leo Yu-Chi Liang Reviewed-by: Samuel Holland Link: https://lore.kernel.org/r/20250324043943.2513070-1-ycliang@andestech.com Signed-off-by: Anup Patel

lib: Emit lr and sc instructions based on -march flags

2025-03-28T13:22:05Z

When -march=rv64im_zalrsc_zicsr is used, provide atomic operations and locks using lr and sc instructions only. Signed-off-by: Chao-ying Fu Reviewed-by: Anup Patel Link: https://lore.kernel.org/r/20250226014727.19710-1-cfu@mips.com Signed-off-by: Anup Patel

platform: introduce DT-based configurable heap size

2024-11-11T12:18:45Z

The default heap size will work for most platforms, but for some special platforms, the heap is too small to hold all the information or is too big so that it take too much ram. Introduce configurable heap should solve this problem and make all generic platforms happy. Add DT-based heap-size for the generic platform. Signed-off-by: Inochi Amaoto Reviewed-by: Xiang W Reviewed-by: Anup Patel

docs: add example of building the Linux kernel

2024-11-09T09:00:41Z

Slightly expand the QEMU docs to explain how to build the flat Linux kernel image. Signed-off-by: Tim Hutt Reviewed-by: Samuel Holland Reviewed-by: Anup Patel

docs: Remove hartindex_to_context_table from domain_support.md

2024-10-25T17:30:15Z

The hartindex_to_context_table field is no longer part of sbi_domain so remove related documentation from domain_support.md. Signed-off-by: Anup Patel

docs: Remove github PR as an option

2024-09-23T12:25:30Z

OpenSBI development workflow is mailing list based from the beginning. Initially, github PRs were added as an option but it turned out that it is not feasible to support both github PR and mailing list based workflows. Hence, all the PRs has been redirected to use the mailing list from a long time. In fact, it is source of confusion to have both options. Update the documentation to reflect the reality. Signed-off-by: Atish Patra Reviewed-by: Anup Patel

lib: utils: fdt_domain: Use consistent device-tree address when next-arg1 is missing

2024-08-23T08:47:29Z

The diagram shown below illustrates the boot-flow involving OP-TEE OS initialization. (1)-----------+ | U-Boot SPL | +------------+ | v (2)-------------------------------------------------------------+ | OpenSBI (fw_dynamic) | | (4)------------------------+ | | | optee dispatcher driver | | +-----------------+-------^---------|-------+------------------+ M-mode | | | ---------+--[trusted domain]---+----.----+--[untrusted domain]------- S-mode | (coldboot domain) | | | v | | v (3)---------------------------+ |(5)----------------------------+ | OP-TEE OS | | | U-Boot | +----------------------------+ | +-----------------------------+ | | | v |(6)----------------------------+ | | Linux | | +-----------------------------+ As OP-TEE OS has device-tree node fixups that need to be passed through to the next boot stages, e.g. the reserved memory node: reserved-memory { #address-cells = <2>; #size-cells = <2>; ranges; optee_core@f1000000 { no-map; reg = <0x0 0xf1000000 // OP-TEE OS base address 0x0 0x01000000>; }; <...> }; Instead of using 0x0 as the default value, allow identical next-arg1 to be used by non-coldboot domain (i.e., untrusted domain) when the property is not provided. Also, update the description of next-arg1 property in the document. Signed-off-by: Yu Chien Peter Lin Reviewed-by: Alvin Chang Reviewed-by: Anup Patel

docs: writing tests: update cleaning instructions

2024-07-04T06:41:52Z

After the changes introduced by the previous patches are applied, there is no need of the manual removal of the `build/` directory every time new test is added. Running `make clean` should be enough to regenerate the carray-related files. Update the documentation correspondingly. Signed-off-by: Ivan Orlov Reviewed-by: Andrew Jones Signed-off-by: Ben Dooks Reviewed-by: Anup Patel

docs: Fix wrong filename

2024-06-28T03:04:15Z

Correct the compiled FW_PAYLOAD firmware ELF filename. Signed-off-by: Jacob Lin Reviewed-by: Anup Patel

firmware: Bring back FW_TEXT_START as an optional parameter

2024-05-23T05:20:23Z

Bring back FW_TEXT_START as an optional parameter to allow users explicitly specify compile time address for loading debug symbols. When not specified, the FW_TEXT_START is assumed to be 0. Fixes: d4d2582eef7a ("firmware: remove FW_TEXT_START") Signed-off-by: Anup Patel Tested-by: Clément Léger