diff options
Diffstat (limited to 'hw/sd/sd.c')
| -rw-r--r-- | hw/sd/sd.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/hw/sd/sd.c b/hw/sd/sd.c index 990f038b79..b1acddca45 100644 --- a/hw/sd/sd.c +++ b/hw/sd/sd.c @@ -1453,6 +1453,35 @@ static sd_rsp_type_t sd_normal_command(SDState *sd, SDRequest req) /* Block write commands (Class 4) */ case 24: /* CMD24: WRITE_SINGLE_BLOCK */ + addr = sd_req_get_address(sd, req); + switch (sd->state) { + case sd_transfer_state: + + if (!address_in_range(sd, "WRITE_SINGLE_BLOCK", addr, + sd->blk_len)) { + return sd_r1; + } + + sd->state = sd_receivingdata_state; + sd->data_start = addr; + sd->data_offset = 0; + + if (sd->size <= SDSC_MAX_CAPACITY) { + if (sd_wp_addr(sd, sd->data_start)) { + sd->card_status |= WP_VIOLATION; + } + } + if (sd->csd[14] & 0x30) { + sd->card_status |= WP_VIOLATION; + } + sd->blk_written = 0; + return sd_r1; + + default: + break; + } + break; + case 25: /* CMD25: WRITE_MULTIPLE_BLOCK */ addr = sd_req_get_address(sd, req); switch (sd->state) { |