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Add the SUSP extension probe and ecall support, but for now the
system suspend function is just a stub.
Signed-off-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
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We implement SBI debug console extension as one of the replacement
SBI extensions. This extension is only available when OpenSBI platform
provides a console device to generic library.
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
Reviewed-by: Xiang W <wxjstz@126.com>
Reviewed-by: Bin Meng <bmeng@tinylab.org>
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For each SBI extension, we:
- Add a Kconfig option for it
- Add the extension to sbi_ecall_exts only if the extension is enabled
- Add the corresponding sbi_ecall_* object file only if the extension is
enabled
Special cases are as follows:
- The legacy extensions are lumped together as one 'big' extension, as
has always been the case in OpenSBI code.
- The platform-defined vendor extensions are regarded as one extension.
- The Base extension cannot be disabled.
- sbi_ecall_replace implements multiple extensions, so it's not easy to
avoid linking it in. Enable it always, and use #ifdef to
disable/enable individual extensions.
Signed-off-by: Vivian Wang <dramforever@live.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
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