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bhyve: build XSDT table by basl

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Building the XSDT 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/D36999
This commit is contained in:
Corvin Köhne 2022-04-06 11:10:42 +02:00
parent 6a75de903b
commit 4a60470f05
No known key found for this signature in database
GPG key ID: D854DA56315E026A
1 changed files with 28 additions and 37 deletions
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65
usr.sbin/bhyve/acpi.c
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@ -134,6 +134,8 @@ static FILE *dsdt_fp;
static int dsdt_indent_level;
static int dsdt_error;
static struct basl_table *xsdt;
struct basl_fio {
int fd;
FILE *fp;
@ -208,42 +210,6 @@ basl_fwrite_rsdt(FILE *fp)
return (errno);
}
static int
basl_fwrite_xsdt(FILE *fp)
{
EFPRINTF(fp, "/*\n");
EFPRINTF(fp, " * bhyve XSDT template\n");
EFPRINTF(fp, " */\n");
EFPRINTF(fp, "[0004]\t\tSignature : \"XSDT\"\n");
EFPRINTF(fp, "[0004]\t\tTable Length : 00000000\n");
EFPRINTF(fp, "[0001]\t\tRevision : 01\n");
EFPRINTF(fp, "[0001]\t\tChecksum : 00\n");
EFPRINTF(fp, "[0006]\t\tOem ID : \"BHYVE \"\n");
EFPRINTF(fp, "[0008]\t\tOem Table ID : \"BVXSDT \"\n");
EFPRINTF(fp, "[0004]\t\tOem Revision : 00000001\n");
/* iasl will fill in the compiler ID/revision fields */
EFPRINTF(fp, "[0004]\t\tAsl Compiler ID : \"xxxx\"\n");
EFPRINTF(fp, "[0004]\t\tAsl Compiler Revision : 00000000\n");
EFPRINTF(fp, "\n");
/* Add in pointers to the MADT, FADT and HPET */
EFPRINTF(fp, "[0004]\t\tACPI Table Address 0 : 00000000%08X\n",
basl_acpi_base + MADT_OFFSET);
EFPRINTF(fp, "[0004]\t\tACPI Table Address 1 : 00000000%08X\n",
basl_acpi_base + FADT_OFFSET);
EFPRINTF(fp, "[0004]\t\tACPI Table Address 2 : 00000000%08X\n",
basl_acpi_base + HPET_OFFSET);
EFPRINTF(fp, "[0004]\t\tACPI Table Address 3 : 00000000%08X\n",
basl_acpi_base + MCFG_OFFSET);
EFFLUSH(fp);
return (0);
err_exit:
return (errno);
}
/*
* Helper routines for writing to the DSDT from other modules.
*/
@ -642,6 +608,9 @@ build_fadt(struct vmctx *const ctx)
BASL_EXEC(basl_table_add_pointer(table, ACPI_SIG_DSDT,
offsetof(ACPI_TABLE_FADT, XDsdt), sizeof(fadt.XDsdt)));
BASL_EXEC(basl_table_append_pointer(xsdt, ACPI_SIG_FADT,
ACPI_XSDT_ENTRY_SIZE));
return (0);
}
@ -662,6 +631,9 @@ build_hpet(struct vmctx *const ctx)
hpet.Flags = ACPI_HPET_PAGE_PROTECT4;
BASL_EXEC(basl_table_append_content(table, &hpet, sizeof(hpet)));
BASL_EXEC(basl_table_append_pointer(xsdt, ACPI_SIG_HPET,
ACPI_XSDT_ENTRY_SIZE));
return (0);
}
@ -735,6 +707,9 @@ build_madt(struct vmctx *const ctx)
BASL_EXEC(basl_table_append_bytes(table, &madt_lapic_nmi,
sizeof(madt_lapic_nmi)));
BASL_EXEC(basl_table_append_pointer(xsdt, ACPI_SIG_MADT,
ACPI_XSDT_ENTRY_SIZE));
return (0);
}
@ -758,6 +733,22 @@ build_mcfg(struct vmctx *const ctx)
BASL_EXEC(basl_table_append_bytes(table, &mcfg_allocation,
sizeof(mcfg_allocation)));
BASL_EXEC(basl_table_append_pointer(xsdt, ACPI_SIG_MCFG,
ACPI_XSDT_ENTRY_SIZE));
return (0);
}
static int
build_xsdt(struct vmctx *const ctx)
{
BASL_EXEC(basl_table_create(&xsdt, ctx, ACPI_SIG_XSDT,
BASL_TABLE_ALIGNMENT, XSDT_OFFSET));
/* Header */
BASL_EXEC(basl_table_append_header(xsdt, ACPI_SIG_XSDT, 1, 1));
/* Pointers (added by other build_XXX funcs) */
return (0);
}
@ -800,7 +791,7 @@ acpi_build(struct vmctx *ctx, int ncpu)
*/
BASL_EXEC(basl_compile(ctx, basl_fwrite_rsdp, 0));
BASL_EXEC(basl_compile(ctx, basl_fwrite_rsdt, RSDT_OFFSET));
BASL_EXEC(basl_compile(ctx, basl_fwrite_xsdt, XSDT_OFFSET));
BASL_EXEC(build_xsdt(ctx));
BASL_EXEC(build_fadt(ctx));
BASL_EXEC(build_madt(ctx));
BASL_EXEC(build_hpet(ctx));