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hw/riscv/virt: Enable basic ACPI infrastructure

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Add basic ACPI infrastructure for RISC-V with below tables.
        1) DSDT with below basic objects
                - CPUs
                - fw_cfg
        2) FADT revision 6 with HW_REDUCED flag
        3) XSDT
        4) RSDP

Add this functionality in a new file virt-acpi-build.c and enable
building this infrastructure.

Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Message-ID: <20230302091212.999767-5-sunilvl@ventanamicro.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
This commit is contained in:
Sunil V L 2023-03-02 14:42:08 +05:30 • committed by Palmer Dabbelt
parent 71302ff3bc
commit 7da2fb240f
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4 changed files with 307 additions and 0 deletions
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hw/riscv/meson.build
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@ -9,5 +9,6 @@ riscv_ss.add(when: 'CONFIG_SIFIVE_E', if_true: files('sifive_e.c'))
riscv_ss.add(when: 'CONFIG_SIFIVE_U', if_true: files('sifive_u.c'))
riscv_ss.add(when: 'CONFIG_SPIKE', if_true: files('spike.c'))
riscv_ss.add(when: 'CONFIG_MICROCHIP_PFSOC', if_true: files('microchip_pfsoc.c'))
riscv_ss.add(when: 'CONFIG_ACPI', if_true: files('virt-acpi-build.c'))
hw_arch += {'riscv': riscv_ss}