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bhyve: build MCFG table by basl
Building the MCFG table by basl will allow it to be loaded by qemu's ACPI table loader in the future. Reviewed by: jhb, markj (older version) Approved by: manu (mentor) MFC after: 2 weeks Sponsored by: Beckhoff Automation GmbH & Co. KG Differential Revision: https://reviews.freebsd.org/D36995
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@ -589,37 +589,6 @@ basl_fwrite_hpet(FILE *fp)
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return (errno);
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}
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static int
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basl_fwrite_mcfg(FILE *fp)
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{
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EFPRINTF(fp, "/*\n");
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EFPRINTF(fp, " * bhyve MCFG template\n");
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EFPRINTF(fp, " */\n");
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EFPRINTF(fp, "[0004]\t\tSignature : \"MCFG\"\n");
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EFPRINTF(fp, "[0004]\t\tTable Length : 00000000\n");
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EFPRINTF(fp, "[0001]\t\tRevision : 01\n");
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EFPRINTF(fp, "[0001]\t\tChecksum : 00\n");
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EFPRINTF(fp, "[0006]\t\tOem ID : \"BHYVE \"\n");
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EFPRINTF(fp, "[0008]\t\tOem Table ID : \"BVMCFG \"\n");
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EFPRINTF(fp, "[0004]\t\tOem Revision : 00000001\n");
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/* iasl will fill in the compiler ID/revision fields */
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EFPRINTF(fp, "[0004]\t\tAsl Compiler ID : \"xxxx\"\n");
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EFPRINTF(fp, "[0004]\t\tAsl Compiler Revision : 00000000\n");
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EFPRINTF(fp, "[0008]\t\tReserved : 0\n");
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EFPRINTF(fp, "\n");
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EFPRINTF(fp, "[0008]\t\tBase Address : %016lX\n", pci_ecfg_base());
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EFPRINTF(fp, "[0002]\t\tSegment Group Number : 0000\n");
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EFPRINTF(fp, "[0001]\t\tStart Bus Number : 00\n");
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EFPRINTF(fp, "[0001]\t\tEnd Bus Number : FF\n");
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EFPRINTF(fp, "[0004]\t\tReserved : 0\n");
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EFFLUSH(fp);
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return (0);
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err_exit:
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return (errno);
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}
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/*
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* Helper routines for writing to the DSDT from other modules.
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*/
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@ -950,6 +919,29 @@ build_facs(struct vmctx *const ctx)
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return (0);
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}
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static int
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build_mcfg(struct vmctx *const ctx)
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{
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ACPI_TABLE_MCFG mcfg;
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ACPI_MCFG_ALLOCATION mcfg_allocation;
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struct basl_table *table;
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BASL_EXEC(basl_table_create(&table, ctx, ACPI_SIG_MCFG,
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BASL_TABLE_ALIGNMENT, MCFG_OFFSET));
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memset(&mcfg, 0, sizeof(mcfg));
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BASL_EXEC(basl_table_append_header(table, ACPI_SIG_MCFG, 1, 1));
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BASL_EXEC(basl_table_append_content(table, &mcfg, sizeof(mcfg)));
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memset(&mcfg_allocation, 0, sizeof(mcfg_allocation));
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mcfg_allocation.Address = htole64(pci_ecfg_base());
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mcfg_allocation.EndBusNumber = 0xFF;
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BASL_EXEC(basl_table_append_bytes(table, &mcfg_allocation,
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sizeof(mcfg_allocation)));
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return (0);
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}
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int
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acpi_build(struct vmctx *ctx, int ncpu)
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{
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@ -989,7 +981,7 @@ acpi_build(struct vmctx *ctx, int ncpu)
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BASL_EXEC(basl_compile(ctx, basl_fwrite_madt, MADT_OFFSET));
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BASL_EXEC(basl_compile(ctx, basl_fwrite_fadt, FADT_OFFSET));
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BASL_EXEC(basl_compile(ctx, basl_fwrite_hpet, HPET_OFFSET));
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BASL_EXEC(basl_compile(ctx, basl_fwrite_mcfg, MCFG_OFFSET));
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BASL_EXEC(build_mcfg(ctx));
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BASL_EXEC(build_facs(ctx));
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BASL_EXEC(build_dsdt(ctx));
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