diff options
| -rw-r--r-- | src/mainboard/emulation/qemu-i440fx/fw_cfg.c | 30 |
1 files changed, 20 insertions, 10 deletions
diff --git a/src/mainboard/emulation/qemu-i440fx/fw_cfg.c b/src/mainboard/emulation/qemu-i440fx/fw_cfg.c index 565b85585c..903bd83a4e 100644 --- a/src/mainboard/emulation/qemu-i440fx/fw_cfg.c +++ b/src/mainboard/emulation/qemu-i440fx/fw_cfg.c @@ -17,6 +17,7 @@ #include <console/console.h> #include <arch/io.h> #include <arch/acpigen.h> +#include <commonlib/endian.h> #include "fw_cfg.h" #include "fw_cfg_if.h" @@ -203,8 +204,7 @@ unsigned long fw_cfg_acpi_tables(unsigned long start) { BiosLinkerLoaderEntry *s; unsigned long *addrs, current; - uint32_t *ptr4; - uint64_t *ptr8; + uint8_t *ptr; int rc, i, j, src, dst, max; rc = fw_cfg_check_file("etc/table-loader"); @@ -220,6 +220,10 @@ unsigned long fw_cfg_acpi_tables(unsigned long start) current = start; for (i = 0; i < max && s[i].command != 0; i++) { + void *cksum_data; + uint32_t cksum; + uint32_t addr4; + uint64_t addr8; switch (s[i].command) { case BIOS_LINKER_LOADER_COMMAND_ALLOCATE: current = ALIGN(current, s[i].alloc.align); @@ -248,13 +252,19 @@ unsigned long fw_cfg_acpi_tables(unsigned long start) switch (s[i].pointer.size) { case 4: - ptr4 = (uint32_t*)(addrs[dst] + s[i].pointer.offset); - *ptr4 += addrs[src]; + ptr = (uint8_t *)addrs[dst]; + ptr += s[i].pointer.offset; + addr4 = read_le32(ptr); + addr4 += addrs[src]; + write_le32(ptr, addr4); break; case 8: - ptr8 = (uint64_t*)(addrs[dst] + s[i].pointer.offset); - *ptr8 += addrs[src]; + ptr = (uint8_t *)addrs[dst]; + ptr += s[i].pointer.offset; + addr8 = read_le64(ptr); + addr8 += addrs[src]; + write_le64(ptr, addr8); break; default: @@ -280,10 +290,10 @@ unsigned long fw_cfg_acpi_tables(unsigned long start) if (dst == -1) goto err; - ptr4 = (uint32_t*)(addrs[dst] + s[i].cksum.offset); - *ptr4 = 0; - *ptr4 = acpi_checksum((void *)(addrs[dst] + s[i].cksum.start), - s[i].cksum.length); + ptr = (uint8_t *)(addrs[dst] + s[i].cksum.offset); + cksum_data = (void *)(addrs[dst] + s[i].cksum.start); + cksum = acpi_checksum(cksum_data, s[i].cksum.length); + write_le32(ptr, cksum); break; default: |