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When we initialize the ARC BIOS, fetch the system ID structure 

fields into local copies, as well as the Identifier string from
the System component.
This commit is contained in:
thorpej 2001-07-08 23:57:09 +00:00
parent 9d1d1b8a89
commit 3f6eb8677a
2 changed files with 68 additions and 2 deletions
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61
sys/dev/arcbios/arcbios.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: arcbios.c,v 1.2 2001/07/08 22:57:10 thorpej Exp $ */
/* $NetBSD: arcbios.c,v 1.3 2001/07/08 23:57:09 thorpej Exp $ */
/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
@ -46,9 +46,17 @@
const struct arcbios_spb *ARCBIOS_SPB;
const struct arcbios_fv *ARCBIOS;
char arcbios_sysid_vendor[ARCBIOS_SYSID_FIELDLEN + 1];
char arcbios_sysid_product[ARCBIOS_SYSID_FIELDLEN + 1];
char arcbios_system_identifier[64 + 1];
int arcbios_cngetc(dev_t);
void arcbios_cnputc(dev_t, int);
void arcbios_fetch_system_identifier(struct arcbios_component *,
struct arcbios_treewalk_context *);
struct consdev arcbios_cn = {
NULL, NULL, arcbios_cngetc, arcbios_cnputc, nullcnpollc, NULL,
NODEV, CN_NORMAL,
@ -62,6 +70,7 @@ struct consdev arcbios_cn = {
int
arcbios_init(vaddr_t pblkva)
{
struct arcbios_sysid *sid;
ARCBIOS_SPB = (struct arcbios_spb *) pblkva;
@ -82,9 +91,47 @@ arcbios_init(vaddr_t pblkva)
/* Initialize the bootstrap console. */
cn_tab = &arcbios_cn;
/*
* Fetch the system ID.
*/
sid = (*ARCBIOS->GetSystemId)();
if (sid != NULL) {
memcpy(arcbios_sysid_vendor, sid->VendorId,
sizeof(sid->VendorId));
arcbios_sysid_vendor[sizeof(sid->VendorId)] = '\0';
memcpy(arcbios_sysid_product, sid->ProductId,
sizeof(sid->ProductId));
arcbios_sysid_product[sizeof(sid->ProductId)] = '\0';
}
/*
* Fetch the identifier string from the `system' component.
* Machdep code will use this to initialize the system type.
*/
arcbios_tree_walk(arcbios_fetch_system_identifier, NULL);
return (0);
}
void
arcbios_fetch_system_identifier(struct arcbios_component *node,
struct arcbios_treewalk_context *atc)
{
switch (node->Class) {
case COMPONENT_CLASS_SystemClass:
arcbios_component_id_copy(node,
arcbios_system_identifier,
sizeof(arcbios_system_identifier));
atc->atc_terminate = 1;
break;
default:
break;
}
}
/****************************************************************************
* ARC component tree walking routines.
****************************************************************************/
@ -117,6 +164,18 @@ arcbios_tree_walk(void (*func)(struct arcbios_component *,
arcbios_subtree_walk(NULL, func, &atc);
}
void
arcbios_component_id_copy(struct arcbios_component *node,
char *dst, size_t dstsize)
{
dstsize--;
if (dstsize > node->IdentifierLength)
dstsize = node->IdentifierLength;
memcpy(dst, node->Identifier, dstsize);
dst[dstsize] = '\0';
}
/****************************************************************************
* Bootstrap console routines.
****************************************************************************/

9
sys/dev/arcbios/arcbiosvar.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: arcbiosvar.h,v 1.2 2001/07/08 22:57:10 thorpej Exp $ */
/* $NetBSD: arcbiosvar.h,v 1.3 2001/07/08 23:57:09 thorpej Exp $ */
/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
@ -49,9 +49,16 @@ struct arcbios_treewalk_context {
extern const struct arcbios_spb *ARCBIOS_SPB;
extern const struct arcbios_fv *ARCBIOS;
extern char arcbios_sysid_vendor[];
extern char arcbios_sysid_product[];
extern char arcbios_system_identifier[];
int arcbios_init(vaddr_t);
void arcbios_tree_walk(void (*)(struct arcbios_component *,
struct arcbios_treewalk_context *), void *);
void arcbios_component_id_copy(struct arcbios_component *, char *, size_t);
#endif /* _KERNEL */