On Mon, Jan 22, 2018 at 7:30 PM, Philippe Mathieu-Daudé wrote:
> the code is easier to review/refactor.
>
> Signed-off-by: Philippe Mathieu-Daudé
Reviewed-by: Alistair Francis
Alistair
> ---
> hw/sd/sd.c | 38 +-
> 1 file changed, 9 insertions(+), 29 deletions(-)
>
> diff --git a/hw/sd/sd.c b/hw/sd/sd.c
> index 3c66521862..23f5d47782 100644
> --- a/hw/sd/sd.c
> +++ b/hw/sd/sd.c
> @@ -435,57 +435,39 @@ static int sd_req_crc_validate(SDRequest *req)
> {
> uint8_t buffer[5];
> buffer[0] = 0x40 | req->cmd;
> -buffer[1] = (req->arg >> 24) & 0xff;
> -buffer[2] = (req->arg >> 16) & 0xff;
> -buffer[3] = (req->arg >> 8) & 0xff;
> -buffer[4] = (req->arg >> 0) & 0xff;
> +stl_be_p(&buffer[1], req->arg);
> return 0;
> return sd_crc7(buffer, 5) != req->crc; /* TODO */
> }
>
> static void sd_response_r1_make(SDState *sd, uint8_t *response)
> {
> -uint32_t status = sd->card_status;
> +stl_be_p(response, sd->card_status);
> +
> /* Clear the "clear on read" status bits */
> sd->card_status &= ~CARD_STATUS_C;
> -
> -response[0] = (status >> 24) & 0xff;
> -response[1] = (status >> 16) & 0xff;
> -response[2] = (status >> 8) & 0xff;
> -response[3] = (status >> 0) & 0xff;
> }
>
> static void sd_response_r3_make(SDState *sd, uint8_t *response)
> {
> -response[0] = (sd->ocr >> 24) & 0xff;
> -response[1] = (sd->ocr >> 16) & 0xff;
> -response[2] = (sd->ocr >> 8) & 0xff;
> -response[3] = (sd->ocr >> 0) & 0xff;
> +stl_be_p(response, sd->ocr);
> }
>
> static void sd_response_r6_make(SDState *sd, uint8_t *response)
> {
> -uint16_t arg;
> uint16_t status;
>
> -arg = sd->rca;
> status = ((sd->card_status >> 8) & 0xc000) |
> ((sd->card_status >> 6) & 0x2000) |
>(sd->card_status & 0x1fff);
> sd->card_status &= ~(CARD_STATUS_C & 0xc81fff);
> -
> -response[0] = (arg >> 8) & 0xff;
> -response[1] = arg & 0xff;
> -response[2] = (status >> 8) & 0xff;
> -response[3] = status & 0xff;
> +stw_be_p(response + 0, sd->rca);
> +stw_be_p(response + 2, status);
> }
>
> static void sd_response_r7_make(SDState *sd, uint8_t *response)
> {
> -response[0] = (sd->vhs >> 24) & 0xff;
> -response[1] = (sd->vhs >> 16) & 0xff;
> -response[2] = (sd->vhs >> 8) & 0xff;
> -response[3] = (sd->vhs >> 0) & 0xff;
> +stl_be_p(response, sd->vhs);
> }
>
> static inline uint64_t sd_addr_to_wpnum(uint64_t addr)
> @@ -731,7 +713,7 @@ static uint32_t sd_wpbits(SDState *sd, uint64_t addr)
>
> static void sd_function_switch(SDState *sd, uint32_t arg)
> {
> -int i, mode, new_func, crc;
> +int i, mode, new_func;
> mode = !!(arg & 0x8000);
>
> sd->data[0] = 0x00;/* Maximum current consumption */
> @@ -755,9 +737,7 @@ static void sd_function_switch(SDState *sd, uint32_t arg)
> sd->data[14 + (i >> 1)] = new_func << ((i * 4) & 4);
> }
> memset(&sd->data[17], 0, 47);
> -crc = sd_crc16(sd->data, 64);
> -sd->data[65] = crc >> 8;
> -sd->data[66] = crc & 0xff;
> +stw_be_p(sd->data + 65, sd_crc16(sd->data, 64));
> }
>
> static inline bool sd_wp_addr(SDState *sd, uint64_t addr)
> --
> 2.15.1
>
>