On 12/04/2017 10:28 PM, Simon Glass wrote:
> At present this code casts addresses to pointers so cannot be used with
> sandbox. Update it to use mapmem instead.
>
> Signed-off-by: Simon Glass <s...@chromium.org>
> ---
>
> Changes in v2: None
>
> lib/smbios.c | 38 +++++++++++++++++++++++++++++---------
> 1 file changed, 29 insertions(+), 9 deletions(-)
>
> diff --git a/lib/smbios.c b/lib/smbios.c
> index 8f19ad89c1..56481d448d 100644
> --- a/lib/smbios.c
> +++ b/lib/smbios.c
> @@ -7,6 +7,7 @@
> */
>
> #include <common.h>
> +#include <mapmem.h>
> #include <smbios.h>
> #include <tables_csum.h>
> #include <version.h>
> @@ -75,9 +76,10 @@ static int smbios_string_table_len(char *start)
>
> 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");
> @@ -104,16 +106,18 @@ static int smbios_write_type0(ulong *current, int
> handle)
>
> 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 = 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);
> @@ -125,15 +129,17 @@ static int smbios_write_type1(ulong *current, int
> handle)
>
> 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);
> @@ -143,15 +149,17 @@ static int smbios_write_type2(ulong *current, int
> handle)
>
> 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);
> @@ -163,6 +171,7 @@ static int smbios_write_type3(ulong *current, int handle)
>
> len = t->length + smbios_string_table_len(t->eos);
> *current += len;
> + unmap_sysmem(t);
>
> return len;
> }
> @@ -201,9 +210,10 @@ static void smbios_write_type4_dm(struct smbios_type4 *t)
>
> 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;
> @@ -217,32 +227,37 @@ static int smbios_write_type4(ulong *current, int
> handle)
>
> 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;
> }
> @@ -271,7 +286,7 @@ ulong write_smbios_table(ulong addr)
> /* 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);
> @@ -280,9 +295,13 @@ ulong write_smbios_table(ulong addr)
>
> /* populate minimum required tables */
> for (i = 0; i < ARRAY_SIZE(smbios_write_funcs); i++) {
> - int tmp = smbios_write_funcs[i]((ulong *)&addr, handle++);
> + ulong *ptr = map_sysmem(addr, 0);
This replaces &addr by addr and breaks booting on ARM64.
Did you mean:
ulong *ptr = map_sysmem((phys_addr_t)&addr, 0);
The coding would get much easier to maintain if the map_sysmem()
function would be eliminated from U-Boot.
Why don't you simply use the address range that mmap() has provided?
This would avoid double book keeping.
Regards
Heinrich
> + int tmp;
> +
> + tmp = smbios_write_funcs[i](ptr, handle++);
> max_struct_size = max(max_struct_size, tmp);
> len += tmp;
> + unmap_sysmem(ptr);
> }
>
> memcpy(se->anchor, "_SM_", 4);
> @@ -300,6 +319,7 @@ ulong write_smbios_table(ulong addr)
> 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;
> }
>
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