bhyve: build FACS table by basl
Building the FACS 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/D36994
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@ -58,6 +58,7 @@
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/endian.h>
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#include <sys/errno.h>
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#include <sys/stat.h>
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@ -619,35 +620,6 @@ basl_fwrite_mcfg(FILE *fp)
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return (errno);
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}
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static int
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basl_fwrite_facs(FILE *fp)
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{
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EFPRINTF(fp, "/*\n");
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EFPRINTF(fp, " * bhyve FACS template\n");
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EFPRINTF(fp, " */\n");
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EFPRINTF(fp, "[0004]\t\tSignature : \"FACS\"\n");
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EFPRINTF(fp, "[0004]\t\tLength : 00000040\n");
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EFPRINTF(fp, "[0004]\t\tHardware Signature : 00000000\n");
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EFPRINTF(fp, "[0004]\t\t32 Firmware Waking Vector : 00000000\n");
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EFPRINTF(fp, "[0004]\t\tGlobal Lock : 00000000\n");
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EFPRINTF(fp, "[0004]\t\tFlags (decoded below) : 00000000\n");
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EFPRINTF(fp, "\t\t\tS4BIOS Support Present : 0\n");
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EFPRINTF(fp, "\t\t\t64-bit Wake Supported (V2) : 0\n");
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EFPRINTF(fp,
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"[0008]\t\t64 Firmware Waking Vector : 0000000000000000\n");
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EFPRINTF(fp, "[0001]\t\tVersion : 02\n");
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EFPRINTF(fp, "[0003]\t\tReserved : 000000\n");
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EFPRINTF(fp, "[0004]\t\tOspmFlags (decoded below) : 00000000\n");
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EFPRINTF(fp, "\t\t\t64-bit Wake Env Required (V2) : 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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@ -960,6 +932,24 @@ build_dsdt(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_facs(struct vmctx *const ctx)
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{
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ACPI_TABLE_FACS facs;
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struct basl_table *table;
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BASL_EXEC(basl_table_create(&table, ctx, ACPI_SIG_FACS,
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BASL_TABLE_ALIGNMENT_FACS, FACS_OFFSET));
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memset(&facs, 0, sizeof(facs));
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memcpy(facs.Signature, ACPI_SIG_FACS, ACPI_NAMESEG_SIZE);
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facs.Length = sizeof(facs);
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facs.Version = htole32(2);
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BASL_EXEC(basl_table_append_bytes(table, &facs, sizeof(facs)));
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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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@ -1000,7 +990,7 @@ acpi_build(struct vmctx *ctx, int ncpu)
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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(basl_compile(ctx, basl_fwrite_facs, FACS_OFFSET));
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BASL_EXEC(build_facs(ctx));
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BASL_EXEC(build_dsdt(ctx));
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BASL_EXEC(basl_finish());
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