hla: cleanup read/write api
This is the first part in moving the adapter specific api back into the driver. The next task is to also move the hla read/write buffer size handling. Change-Id: I86a19144b50b6de18659bfcd05b3729b2cafc051 Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk> Reviewed-on: http://openocd.zylin.com/1621 Tested-by: jenkins Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
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@ -1429,6 +1429,24 @@ static int stlink_usb_write_mem32(void *handle, uint32_t addr, uint16_t len,
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return stlink_usb_get_rw_status(handle);
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}
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static int stlink_usb_read_mem(void *handle, uint32_t addr, uint32_t size,
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uint32_t count, uint8_t *buffer)
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{
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if (size == 4)
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return stlink_usb_read_mem32(handle, addr, count, buffer);
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else
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return stlink_usb_read_mem8(handle, addr, count, buffer);
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}
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static int stlink_usb_write_mem(void *handle, uint32_t addr, uint32_t size,
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uint32_t count, const uint8_t *buffer)
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{
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if (size == 4)
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return stlink_usb_write_mem32(handle, addr, count, buffer);
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else
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return stlink_usb_write_mem8(handle, addr, count, buffer);
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}
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/** */
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static int stlink_usb_close(void *fd)
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{
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@ -1632,13 +1650,9 @@ struct hl_layout_api_s stlink_usb_layout_api = {
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/** */
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.write_reg = stlink_usb_write_reg,
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/** */
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.read_mem8 = stlink_usb_read_mem8,
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.read_mem = stlink_usb_read_mem,
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/** */
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.write_mem8 = stlink_usb_write_mem8,
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/** */
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.read_mem32 = stlink_usb_read_mem32,
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/** */
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.write_mem32 = stlink_usb_write_mem32,
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.write_mem = stlink_usb_write_mem,
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/** */
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.write_debug_reg = stlink_usb_write_debug_reg
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};
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@ -55,8 +55,10 @@ struct icdi_usb_handle_s {
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int read_count;
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};
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static int icdi_usb_read_mem32(void *handle, uint32_t addr, uint16_t len, uint8_t *buffer);
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static int icdi_usb_write_mem32(void *handle, uint32_t addr, uint16_t len, const uint8_t *buffer);
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static int icdi_usb_read_mem(void *handle, uint32_t addr, uint32_t size,
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uint32_t count, uint8_t *buffer);
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static int icdi_usb_write_mem(void *handle, uint32_t addr, uint32_t size,
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uint32_t count, const uint8_t *buffer);
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static int remote_escape_output(const char *buffer, int len, char *out_buf, int *out_len, int out_maxlen)
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{
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@ -286,7 +288,7 @@ static int icdi_usb_idcode(void *handle, uint32_t *idcode)
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static int icdi_usb_write_debug_reg(void *handle, uint32_t addr, uint32_t val)
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{
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return icdi_usb_write_mem32(handle, addr, 1, (uint8_t *)&val);
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return icdi_usb_write_mem(handle, addr, 4, 1, (uint8_t *)&val);
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}
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static enum target_state icdi_usb_state(void *handle)
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@ -297,7 +299,7 @@ static enum target_state icdi_usb_state(void *handle)
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h = (struct icdi_usb_handle_s *)handle;
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result = icdi_usb_read_mem32(h, DCB_DHCSR, 1, (uint8_t *)&dhcsr);
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result = icdi_usb_read_mem(h, DCB_DHCSR, 4, 1, (uint8_t *)&dhcsr);
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if (result != ERROR_OK)
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return TARGET_UNKNOWN;
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@ -524,7 +526,7 @@ static int icdi_usb_write_reg(void *handle, int num, uint32_t val)
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return result;
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}
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static int icdi_usb_read_mem(void *handle, uint32_t addr, uint32_t len, uint8_t *buffer)
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static int icdi_usb_read_mem_int(void *handle, uint32_t addr, uint32_t len, uint8_t *buffer)
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{
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int result;
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struct icdi_usb_handle_s *h;
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@ -554,7 +556,7 @@ static int icdi_usb_read_mem(void *handle, uint32_t addr, uint32_t len, uint8_t
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return ERROR_OK;
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}
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static int icdi_usb_write_mem(void *handle, uint32_t addr, uint32_t len, const uint8_t *buffer)
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static int icdi_usb_write_mem_int(void *handle, uint32_t addr, uint32_t len, const uint8_t *buffer)
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{
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int result;
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struct icdi_usb_handle_s *h;
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@ -587,24 +589,20 @@ static int icdi_usb_write_mem(void *handle, uint32_t addr, uint32_t len, const u
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return ERROR_OK;
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}
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static int icdi_usb_read_mem8(void *handle, uint32_t addr, uint16_t len, uint8_t *buffer)
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static int icdi_usb_read_mem(void *handle, uint32_t addr, uint32_t size,
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uint32_t count, uint8_t *buffer)
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{
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return icdi_usb_read_mem(handle, addr, len, buffer);
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if (size == 4)
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count *= size;
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return icdi_usb_read_mem_int(handle, addr, count, buffer);
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}
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static int icdi_usb_write_mem8(void *handle, uint32_t addr, uint16_t len, const uint8_t *buffer)
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static int icdi_usb_write_mem(void *handle, uint32_t addr, uint32_t size,
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uint32_t count, const uint8_t *buffer)
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{
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return icdi_usb_write_mem(handle, addr, len, buffer);
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}
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static int icdi_usb_read_mem32(void *handle, uint32_t addr, uint16_t len, uint8_t *buffer)
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{
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return icdi_usb_read_mem(handle, addr, len * 4, buffer);
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}
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static int icdi_usb_write_mem32(void *handle, uint32_t addr, uint16_t len, const uint8_t *buffer)
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{
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return icdi_usb_write_mem(handle, addr, len * 4, buffer);
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if (size == 4)
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count *= size;
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return icdi_usb_write_mem_int(handle, addr, count, buffer);
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}
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static int icdi_usb_close(void *handle)
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@ -732,9 +730,7 @@ struct hl_layout_api_s icdi_usb_layout_api = {
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.read_regs = icdi_usb_read_regs,
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.read_reg = icdi_usb_read_reg,
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.write_reg = icdi_usb_write_reg,
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.read_mem8 = icdi_usb_read_mem8,
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.write_mem8 = icdi_usb_write_mem8,
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.read_mem32 = icdi_usb_read_mem32,
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.write_mem32 = icdi_usb_write_mem32,
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.read_mem = icdi_usb_read_mem,
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.write_mem = icdi_usb_write_mem,
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.write_debug_reg = icdi_usb_write_debug_reg
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};
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@ -55,17 +55,11 @@ struct hl_layout_api_s {
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/** */
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int (*write_reg) (void *fd, int num, uint32_t val);
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/** */
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int (*read_mem8) (void *handle, uint32_t addr, uint16_t len,
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uint8_t *buffer);
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int (*read_mem) (void *handle, uint32_t addr, uint32_t size,
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uint32_t count, uint8_t *buffer);
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/** */
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int (*write_mem8) (void *handle, uint32_t addr, uint16_t len,
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const uint8_t *buffer);
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/** */
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int (*read_mem32) (void *handle, uint32_t addr, uint16_t len,
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uint8_t *buffer);
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/** */
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int (*write_mem32) (void *handle, uint32_t addr, uint16_t len,
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const uint8_t *buffer);
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int (*write_mem) (void *handle, uint32_t addr, uint32_t size,
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uint32_t count, const uint8_t *buffer);
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/** */
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int (*write_debug_reg) (void *handle, uint32_t addr, uint32_t val);
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/** */
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@ -259,8 +259,8 @@ static int adapter_examine_debug_reason(struct target *target)
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static int hl_dcc_read(struct hl_interface_s *hl_if, uint8_t *value, uint8_t *ctrl)
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{
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uint16_t dcrdr;
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int retval = hl_if->layout->api->read_mem8(hl_if->fd,
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DCB_DCRDR, sizeof(dcrdr), (uint8_t *)&dcrdr);
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int retval = hl_if->layout->api->read_mem(hl_if->fd,
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DCB_DCRDR, 1, sizeof(dcrdr), (uint8_t *)&dcrdr);
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if (retval == ERROR_OK) {
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*ctrl = (uint8_t)dcrdr;
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*value = (uint8_t)(dcrdr >> 8);
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@ -272,8 +272,7 @@ static int hl_dcc_read(struct hl_interface_s *hl_if, uint8_t *value, uint8_t *ct
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* to signify we have read data */
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/* atomically clear just the byte containing the busy bit */
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static const uint8_t zero;
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retval = hl_if->layout->api->write_mem8(
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hl_if->fd, DCB_DCRDR, 1, &zero);
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retval = hl_if->layout->api->write_mem(hl_if->fd, DCB_DCRDR, 1, 1, &zero);
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}
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}
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return retval;
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@ -784,13 +783,7 @@ static int adapter_read_memory(struct target *target, uint32_t address,
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else
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c = count;
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if (size != 4)
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res = adapter->layout->api->read_mem8(adapter->fd,
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address, c, buffer);
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else
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res = adapter->layout->api->read_mem32(adapter->fd,
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address, c, buffer);
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res = adapter->layout->api->read_mem(adapter->fd, address, size, c, buffer);
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if (res != ERROR_OK)
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return res;
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@ -832,13 +825,7 @@ static int adapter_write_memory(struct target *target, uint32_t address,
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else
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c = count;
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if (size != 4)
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res = adapter->layout->api->write_mem8(adapter->fd,
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address, c, buffer);
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else
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res = adapter->layout->api->write_mem32(adapter->fd,
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address, c, buffer);
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res = adapter->layout->api->write_mem(adapter->fd, address, size, c, buffer);
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if (res != ERROR_OK)
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return res;
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