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| author | Gabriel L. Somlo | 2015-06-08 20:10:44 +0200 |
|---|---|---|
| committer | Gerd Hoffmann | 2015-06-10 08:00:37 +0200 |
| commit | 1edd34b638f73d39a175fbc4f9ad5c97800d7470 (patch) | |
| tree | 31c3020e05fadd3e3583b190c53da962d130467d /hw/nvram/fw_cfg.c | |
| parent | QemuOpts: increase number of vm_config_groups (diff) | |
| download | qemu-1edd34b638f73d39a175fbc4f9ad5c97800d7470.tar.gz qemu-1edd34b638f73d39a175fbc4f9ad5c97800d7470.tar.xz qemu-1edd34b638f73d39a175fbc4f9ad5c97800d7470.zip | |
fw_cfg: add fw_cfg_modify_i16 (update) method
Allow the ability to modify the value of an existing 16-bit integer
fw_cfg item.
Signed-off-by: Gabriel Somlo <somlo@cmu.edu>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'hw/nvram/fw_cfg.c')
| -rw-r--r-- | hw/nvram/fw_cfg.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/hw/nvram/fw_cfg.c b/hw/nvram/fw_cfg.c index 68eff77983..08b5cc3ecc 100644 --- a/hw/nvram/fw_cfg.c +++ b/hw/nvram/fw_cfg.c @@ -484,6 +484,16 @@ void fw_cfg_add_i16(FWCfgState *s, uint16_t key, uint16_t value) fw_cfg_add_bytes(s, key, copy, sizeof(value)); } +void fw_cfg_modify_i16(FWCfgState *s, uint16_t key, uint16_t value) +{ + uint16_t *copy, *old; + + copy = g_malloc(sizeof(value)); + *copy = cpu_to_le16(value); + old = fw_cfg_modify_bytes_read(s, key, copy, sizeof(value)); + g_free(old); +} + void fw_cfg_add_i32(FWCfgState *s, uint16_t key, uint32_t value) { uint32_t *copy; |