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bhyve: build FACS table by basl

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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
This commit is contained in:
Corvin Köhne 2022-04-06 11:10:41 +02:00
parent fde8ce8892
commit bdbb1da75a
No known key found for this signature in database
GPG key ID: D854DA56315E026A
1 changed files with 20 additions and 30 deletions
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50
usr.sbin/bhyve/acpi.c
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@ -58,6 +58,7 @@
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/endian.h>
#include <sys/errno.h>
#include <sys/stat.h>
@ -619,35 +620,6 @@ basl_fwrite_mcfg(FILE *fp)
return (errno);
}
static int
basl_fwrite_facs(FILE *fp)
{
EFPRINTF(fp, "/*\n");
EFPRINTF(fp, " * bhyve FACS template\n");
EFPRINTF(fp, " */\n");
EFPRINTF(fp, "[0004]\t\tSignature : \"FACS\"\n");
EFPRINTF(fp, "[0004]\t\tLength : 00000040\n");
EFPRINTF(fp, "[0004]\t\tHardware Signature : 00000000\n");
EFPRINTF(fp, "[0004]\t\t32 Firmware Waking Vector : 00000000\n");
EFPRINTF(fp, "[0004]\t\tGlobal Lock : 00000000\n");
EFPRINTF(fp, "[0004]\t\tFlags (decoded below) : 00000000\n");
EFPRINTF(fp, "\t\t\tS4BIOS Support Present : 0\n");
EFPRINTF(fp, "\t\t\t64-bit Wake Supported (V2) : 0\n");
EFPRINTF(fp,
"[0008]\t\t64 Firmware Waking Vector : 0000000000000000\n");
EFPRINTF(fp, "[0001]\t\tVersion : 02\n");
EFPRINTF(fp, "[0003]\t\tReserved : 000000\n");
EFPRINTF(fp, "[0004]\t\tOspmFlags (decoded below) : 00000000\n");
EFPRINTF(fp, "\t\t\t64-bit Wake Env Required (V2) : 0\n");
EFFLUSH(fp);
return (0);
err_exit:
return (errno);
}
/*
* Helper routines for writing to the DSDT from other modules.
*/
@ -960,6 +932,24 @@ build_dsdt(struct vmctx *const ctx)
return (0);
}
static int
build_facs(struct vmctx *const ctx)
{
ACPI_TABLE_FACS facs;
struct basl_table *table;
BASL_EXEC(basl_table_create(&table, ctx, ACPI_SIG_FACS,
BASL_TABLE_ALIGNMENT_FACS, FACS_OFFSET));
memset(&facs, 0, sizeof(facs));
memcpy(facs.Signature, ACPI_SIG_FACS, ACPI_NAMESEG_SIZE);
facs.Length = sizeof(facs);
facs.Version = htole32(2);
BASL_EXEC(basl_table_append_bytes(table, &facs, sizeof(facs)));
return (0);
}
int
acpi_build(struct vmctx *ctx, int ncpu)
{
@ -1000,7 +990,7 @@ acpi_build(struct vmctx *ctx, int ncpu)
BASL_EXEC(basl_compile(ctx, basl_fwrite_fadt, FADT_OFFSET));
BASL_EXEC(basl_compile(ctx, basl_fwrite_hpet, HPET_OFFSET));
BASL_EXEC(basl_compile(ctx, basl_fwrite_mcfg, MCFG_OFFSET));
BASL_EXEC(basl_compile(ctx, basl_fwrite_facs, FACS_OFFSET));
BASL_EXEC(build_facs(ctx));
BASL_EXEC(build_dsdt(ctx));
BASL_EXEC(basl_finish());