diff options
Diffstat (limited to 'hw/nvram/fw_cfg.c')
| -rw-r--r-- | hw/nvram/fw_cfg.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/hw/nvram/fw_cfg.c b/hw/nvram/fw_cfg.c index 73b0a81..6e6414b 100644 --- a/hw/nvram/fw_cfg.c +++ b/hw/nvram/fw_cfg.c @@ -252,7 +252,8 @@ static void fw_cfg_write(FWCfgState *s, uint8_t value) static int fw_cfg_select(FWCfgState *s, uint16_t key) { - int ret; + int arch, ret; + FWCfgEntry *e; s->cur_offset = 0; if ((key & FW_CFG_ENTRY_MASK) >= FW_CFG_MAX_ENTRY) { @@ -261,6 +262,12 @@ static int fw_cfg_select(FWCfgState *s, uint16_t key) } else { s->cur_entry = key; ret = 1; + /* entry successfully selected, now run callback if present */ + arch = !!(key & FW_CFG_ARCH_LOCAL); + e = &s->entries[arch][key & FW_CFG_ENTRY_MASK]; + if (e->read_callback) { + e->read_callback(e->callback_opaque, s->cur_offset); + } } trace_fw_cfg_select(s, key, ret); @@ -276,9 +283,6 @@ static uint8_t fw_cfg_read(FWCfgState *s) if (s->cur_entry == FW_CFG_INVALID || !e->data || s->cur_offset >= e->len) ret = 0; else { - if (e->read_callback) { - e->read_callback(e->callback_opaque, s->cur_offset); - } ret = e->data[s->cur_offset++]; } @@ -371,10 +375,6 @@ static void fw_cfg_dma_transfer(FWCfgState *s) len = (e->len - s->cur_offset); } - if (e->read_callback) { - e->read_callback(e->callback_opaque, s->cur_offset); - } - /* If the access is not a read access, it will be a skip access, * tested before. */ @@ -513,7 +513,8 @@ static void fw_cfg_reset(DeviceState *d) { FWCfgState *s = FW_CFG(d); - fw_cfg_select(s, 0); + /* we never register a read callback for FW_CFG_SIGNATURE */ + fw_cfg_select(s, FW_CFG_SIGNATURE); } /* Save restore 32 bit int as uint16_t |