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85b8161b14
Move this table over to use a writer function, moving the code from the x86 implementation. Signed-off-by: Simon Glass <sjg@chromium.org>
50 lines
1.1 KiB
C
50 lines
1.1 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Write an ACPI Core System Resource Table (CSRT)
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*
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* Copyright 2021 Google LLC
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*/
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#define LOG_CATEGORY LOGC_ACPI
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#include <common.h>
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#include <mapmem.h>
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#include <tables_csum.h>
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#include <acpi/acpi_table.h>
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#include <dm/acpi.h>
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__weak u32 acpi_fill_csrt(u32 current)
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{
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return 0;
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}
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int acpi_write_csrt(struct acpi_ctx *ctx, const struct acpi_writer *entry)
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{
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struct acpi_table_header *header;
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struct acpi_csrt *csrt;
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uint ptr;
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csrt = ctx->current;
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header = &csrt->header;
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memset(csrt, '\0', sizeof(struct acpi_csrt));
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/* Fill out header fields */
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acpi_fill_header(header, "CSRT");
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header->length = sizeof(struct acpi_csrt);
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header->revision = 0;
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ptr = acpi_fill_csrt(map_to_sysmem(csrt));
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if (!ptr)
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return log_msg_ret("fill", -ENOENT);
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/* (Re)calculate length and checksum */
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header->length = (ulong)ctx->current - (ulong)csrt;
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header->checksum = table_compute_checksum(csrt, header->length);
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acpi_add_table(ctx, csrt);
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acpi_inc(ctx, csrt->header.length);
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return 0;
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}
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ACPI_WRITER(5csrt, "CSRT", acpi_write_csrt, 0);
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