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bhyve: add basl support for int values

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In upcoming commits, bhyve will build some ACPI tables by it's own.
Therefore, it should be capable of appending int values to ACPI tables.

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/D36987
This commit is contained in:
Corvin Köhne 2022-11-04 13:48:13 +01:00
parent 22a2e94f38
commit e22f5ce2bf
No known key found for this signature in database
GPG Key ID: D854DA56315E026A
2 changed files with 24 additions and 0 deletions
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23
usr.sbin/bhyve/basl.c
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@ -33,6 +33,17 @@ struct basl_table {
static STAILQ_HEAD(basl_table_list, basl_table) basl_tables = STAILQ_HEAD_INITIALIZER(
basl_tables);
static __inline void
basl_le_enc(void *pp, uint64_t val, size_t len)
{
char buf[8];
assert(len <= 8);
le64enc(buf, val);
memcpy(pp, buf, len);
}
static int
basl_dump_table(const struct basl_table *const table, const bool mem)
{
@ -145,6 +156,18 @@ basl_table_append_bytes(struct basl_table *const table, const void *const bytes,
return (0);
}
int
basl_table_append_int(struct basl_table *const table, const uint64_t val,
const uint8_t size)
{
char buf[8];
assert(size <= sizeof(val));
basl_le_enc(buf, val, size);
return (basl_table_append_bytes(table, buf, size));
}
int
basl_table_create(struct basl_table **const table, struct vmctx *ctx,
const uint8_t *const name, const uint32_t alignment,

1
usr.sbin/bhyve/basl.h
View File

@ -32,5 +32,6 @@ int basl_finish(void);
int basl_init(void);
int basl_table_append_bytes(struct basl_table *table, const void *bytes,
uint32_t len);
int basl_table_append_int(struct basl_table *table, uint64_t val, uint8_t size);
int basl_table_create(struct basl_table **table, struct vmctx *ctx,
const uint8_t *name, uint32_t alignment, uint32_t off);