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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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include/hw/riscv/virt.h
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@ -126,4 +126,5 @@ enum {
1 + FDT_APLIC_INT_CELLS)
bool virt_is_acpi_enabled(RISCVVirtState *s);
void virt_acpi_setup(RISCVVirtState *vms);
#endif