Patrick Georgi ([email protected]) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/584
-gerrit commit 3ff14530ac906ebc89f7300feb94694c49ccf34a Author: Patrick Georgi <[email protected]> Date: Thu Feb 2 15:51:29 2012 +0100 libpayload: Add access to CMOS images in memory space Provide access to CMOS images in RAM or CBFS, such as cmos.defaults Change-Id: Ifa70dea6206d94c0c271caf9ae1152fc76b5d51a Signed-off-by: Patrick Georgi <[email protected]> --- payloads/libpayload/drivers/options.c | 17 +++++++++++++++++ payloads/libpayload/include/libpayload.h | 3 ++- 2 files changed, 19 insertions(+), 1 deletions(-) diff --git a/payloads/libpayload/drivers/options.c b/payloads/libpayload/drivers/options.c index 61e6cc5..36d8a9b 100644 --- a/payloads/libpayload/drivers/options.c +++ b/payloads/libpayload/drivers/options.c @@ -30,11 +30,28 @@ #include <libpayload.h> #include <coreboot_tables.h> +u8 *mem_accessor_base; + +static u8 mem_read(u8 reg) +{ + return mem_accessor_base[reg]; +} + +static void mem_write(u8 val, u8 reg) +{ + mem_accessor_base[reg] = val; +} + struct nvram_accessor *use_nvram = &(struct nvram_accessor) { nvram_read, nvram_write }; +struct nvram_accessor *use_mem = &(struct nvram_accessor) { + mem_read, + mem_write +}; + struct cb_cmos_option_table *get_system_option_table(void) { return phys_to_virt(lib_sysinfo.option_table); diff --git a/payloads/libpayload/include/libpayload.h b/payloads/libpayload/include/libpayload.h index 91156e5..308d95c 100644 --- a/payloads/libpayload/include/libpayload.h +++ b/payloads/libpayload/include/libpayload.h @@ -199,7 +199,8 @@ struct nvram_accessor { void (*write)(u8 val, u8 reg); }; -extern struct nvram_accessor *use_nvram; +extern u8 *mem_accessor_base; +extern struct nvram_accessor *use_nvram, *use_mem; struct cb_cmos_option_table *get_system_option_table(void); void fix_options_checksum_with(const struct nvram_accessor *nvram); -- coreboot mailing list: [email protected] http://www.coreboot.org/mailman/listinfo/coreboot
