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diff --git a/usr.sbin/bhyve/acpi.h b/usr.sbin/bhyve/acpi.h
--- a/usr.sbin/bhyve/acpi.h
+++ b/usr.sbin/bhyve/acpi.h
@@ -31,6 +31,8 @@
#ifndef _ACPI_H_
#define _ACPI_H_
+#include "acpi_device.h"
+
#define SCI_INT 9
#define SMI_CMD 0xb2
@@ -55,6 +57,7 @@
int acpi_build(struct vmctx *ctx, int ncpu);
void acpi_raise_gpe(struct vmctx *ctx, unsigned bit);
+int acpi_tables_add_device(const struct acpi_device *const dev);
void dsdt_line(const char *fmt, ...);
void dsdt_fixed_ioport(uint16_t iobase, uint16_t length);
void dsdt_fixed_irq(uint8_t irq);
diff --git a/usr.sbin/bhyve/acpi.c b/usr.sbin/bhyve/acpi.c
--- a/usr.sbin/bhyve/acpi.c
+++ b/usr.sbin/bhyve/acpi.c
@@ -106,6 +106,30 @@
#define EFFLUSH(x) \
if (fflush(x) != 0) goto err_exit;
+/*
+ * A list for additional ACPI devices like a TPM.
+ */
+struct acpi_device_list_entry {
+ SLIST_ENTRY(acpi_device_list_entry) chain;
+ const struct acpi_device *dev;
+};
+static SLIST_HEAD(acpi_device_list,
+ acpi_device_list_entry) acpi_devices = SLIST_HEAD_INITIALIZER(acpi_devices);
+
+int
+acpi_tables_add_device(const struct acpi_device *const dev)
+{
+ struct acpi_device_list_entry *const entry = calloc(1, sizeof(*entry));
+ if (entry == NULL) {
+ return (ENOMEM);
+ }
+
+ entry->dev = dev;
+ SLIST_INSERT_HEAD(&acpi_devices, entry, chain);
+
+ return (0);
+}
+
/*
* Helper routines for writing to the DSDT from other modules.
*/
@@ -219,6 +243,11 @@
vmgenc_write_dsdt();
+ const struct acpi_device_list_entry *entry;
+ SLIST_FOREACH(entry, &acpi_devices, chain) {
+ acpi_device_write_dsdt(entry->dev);
+ }
+
dsdt_line("}");
if (dsdt_error != 0)
diff --git a/usr.sbin/bhyve/acpi_device.c b/usr.sbin/bhyve/acpi_device.c
--- a/usr.sbin/bhyve/acpi_device.c
+++ b/usr.sbin/bhyve/acpi_device.c
@@ -77,6 +77,12 @@
crs_end_tag->type = ACPI_RESOURCE_TYPE_END_TAG;
SLIST_INSERT_HEAD(&dev->crs, crs_end_tag, chain);
+ const int error = acpi_tables_add_device(dev);
+ if (error) {
+ acpi_device_destroy(dev);
+ return (error);
+ }
+
*new_dev = dev;
return (0);

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