+// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
*
* Adapted from coreboot src/arch/x86/smbios.c
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
+#include <env.h>
+#include <mapmem.h>
#include <smbios.h>
#include <tables_csum.h>
#include <version.h>
#include <dm/uclass-internal.h>
#endif
-DECLARE_GLOBAL_DATA_PTR;
-
/**
* smbios_add_string() - add a string to the string area
*
static int smbios_write_type0(ulong *current, int handle)
{
- struct smbios_type0 *t = (struct smbios_type0 *)*current;
+ struct smbios_type0 *t;
int len = sizeof(struct smbios_type0);
+ t = map_sysmem(*current, len);
memset(t, 0, sizeof(struct smbios_type0));
fill_smbios_header(t, SMBIOS_BIOS_INFORMATION, len, handle);
t->vendor = smbios_add_string(t->eos, "U-Boot");
len = t->length + smbios_string_table_len(t->eos);
*current += len;
+ unmap_sysmem(t);
return len;
}
static int smbios_write_type1(ulong *current, int handle)
{
- struct smbios_type1 *t = (struct smbios_type1 *)*current;
+ struct smbios_type1 *t;
int len = sizeof(struct smbios_type1);
- char *serial_str = getenv("serial#");
+ char *serial_str = env_get("serial#");
+ t = map_sysmem(*current, len);
memset(t, 0, sizeof(struct smbios_type1));
fill_smbios_header(t, SMBIOS_SYSTEM_INFORMATION, len, handle);
t->manufacturer = smbios_add_string(t->eos, CONFIG_SMBIOS_MANUFACTURER);
t->product_name = smbios_add_string(t->eos, CONFIG_SMBIOS_PRODUCT_NAME);
if (serial_str) {
- strncpy((char*)t->uuid, serial_str, sizeof(t->uuid));
+ strncpy((char *)t->uuid, serial_str, sizeof(t->uuid));
t->serial_number = smbios_add_string(t->eos, serial_str);
}
len = t->length + smbios_string_table_len(t->eos);
*current += len;
+ unmap_sysmem(t);
return len;
}
static int smbios_write_type2(ulong *current, int handle)
{
- struct smbios_type2 *t = (struct smbios_type2 *)*current;
+ struct smbios_type2 *t;
int len = sizeof(struct smbios_type2);
+ t = map_sysmem(*current, len);
memset(t, 0, sizeof(struct smbios_type2));
fill_smbios_header(t, SMBIOS_BOARD_INFORMATION, len, handle);
t->manufacturer = smbios_add_string(t->eos, CONFIG_SMBIOS_MANUFACTURER);
len = t->length + smbios_string_table_len(t->eos);
*current += len;
+ unmap_sysmem(t);
return len;
}
static int smbios_write_type3(ulong *current, int handle)
{
- struct smbios_type3 *t = (struct smbios_type3 *)*current;
+ struct smbios_type3 *t;
int len = sizeof(struct smbios_type3);
+ t = map_sysmem(*current, len);
memset(t, 0, sizeof(struct smbios_type3));
fill_smbios_header(t, SMBIOS_SYSTEM_ENCLOSURE, len, handle);
t->manufacturer = smbios_add_string(t->eos, CONFIG_SMBIOS_MANUFACTURER);
len = t->length + smbios_string_table_len(t->eos);
*current += len;
+ unmap_sysmem(t);
return len;
}
static int smbios_write_type4(ulong *current, int handle)
{
- struct smbios_type4 *t = (struct smbios_type4 *)*current;
+ struct smbios_type4 *t;
int len = sizeof(struct smbios_type4);
+ t = map_sysmem(*current, len);
memset(t, 0, sizeof(struct smbios_type4));
fill_smbios_header(t, SMBIOS_PROCESSOR_INFORMATION, len, handle);
t->processor_type = SMBIOS_PROCESSOR_TYPE_CENTRAL;
len = t->length + smbios_string_table_len(t->eos);
*current += len;
+ unmap_sysmem(t);
return len;
}
static int smbios_write_type32(ulong *current, int handle)
{
- struct smbios_type32 *t = (struct smbios_type32 *)*current;
+ struct smbios_type32 *t;
int len = sizeof(struct smbios_type32);
+ t = map_sysmem(*current, len);
memset(t, 0, sizeof(struct smbios_type32));
fill_smbios_header(t, SMBIOS_SYSTEM_BOOT_INFORMATION, len, handle);
*current += len;
+ unmap_sysmem(t);
return len;
}
static int smbios_write_type127(ulong *current, int handle)
{
- struct smbios_type127 *t = (struct smbios_type127 *)*current;
+ struct smbios_type127 *t;
int len = sizeof(struct smbios_type127);
+ t = map_sysmem(*current, len);
memset(t, 0, sizeof(struct smbios_type127));
fill_smbios_header(t, SMBIOS_END_OF_TABLE, len, handle);
*current += len;
+ unmap_sysmem(t);
return len;
}
ulong write_smbios_table(ulong addr)
{
struct smbios_entry *se;
+ ulong table_addr;
ulong tables;
int len = 0;
int max_struct_size = 0;
/* 16 byte align the table address */
addr = ALIGN(addr, 16);
- se = (struct smbios_entry *)(uintptr_t)addr;
+ se = map_sysmem(addr, sizeof(struct smbios_entry));
memset(se, 0, sizeof(struct smbios_entry));
addr += sizeof(struct smbios_entry);
/* populate minimum required tables */
for (i = 0; i < ARRAY_SIZE(smbios_write_funcs); i++) {
int tmp = smbios_write_funcs[i]((ulong *)&addr, handle++);
+
max_struct_size = max(max_struct_size, tmp);
len += tmp;
}
se->max_struct_size = max_struct_size;
memcpy(se->intermediate_anchor, "_DMI_", 5);
se->struct_table_length = len;
- se->struct_table_address = tables;
+
+ /*
+ * We must use a pointer here so things work correctly on sandbox. The
+ * user of this table is not aware of the mapping of addresses to
+ * sandbox's DRAM buffer.
+ */
+ table_addr = (ulong)map_sysmem(tables, 0);
+ if (sizeof(table_addr) > sizeof(u32) && table_addr > (ulong)UINT_MAX) {
+ /*
+ * We need to put this >32-bit pointer into the table but the
+ * field is only 32 bits wide.
+ */
+ printf("WARNING: SMBIOS table_address overflow %llx\n",
+ (unsigned long long)table_addr);
+ table_addr = 0;
+ }
+ se->struct_table_address = table_addr;
+
se->struct_count = handle;
/* calculate checksums */
isize = sizeof(struct smbios_entry) - SMBIOS_INTERMEDIATE_OFFSET;
se->intermediate_checksum = table_compute_checksum(istart, isize);
se->checksum = table_compute_checksum(se, sizeof(struct smbios_entry));
+ unmap_sysmem(se);
return addr;
}
projects / oweals / u-boot.git / blobdiff