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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>
tags/v0.8.0-rc1
Spencer Oliver 10 years ago
parent
commit
3a32dff089
4 changed files with 49 additions and 58 deletions
  1. +20
    -6
      src/jtag/drivers/stlink_usb.c
  2. +20
    -24
      src/jtag/drivers/ti_icdi_usb.c
  3. +4
    -10
      src/jtag/hla/hla_layout.h
  4. +5
    -18
      src/target/hla_target.c

+ 20
- 6
src/jtag/drivers/stlink_usb.c View File

@@ -1429,6 +1429,24 @@ static int stlink_usb_write_mem32(void *handle, uint32_t addr, uint16_t len,
return stlink_usb_get_rw_status(handle);
}

static int stlink_usb_read_mem(void *handle, uint32_t addr, uint32_t size,
uint32_t count, uint8_t *buffer)
{
if (size == 4)
return stlink_usb_read_mem32(handle, addr, count, buffer);
else
return stlink_usb_read_mem8(handle, addr, count, buffer);
}

static int stlink_usb_write_mem(void *handle, uint32_t addr, uint32_t size,
uint32_t count, const uint8_t *buffer)
{
if (size == 4)
return stlink_usb_write_mem32(handle, addr, count, buffer);
else
return stlink_usb_write_mem8(handle, addr, count, buffer);
}

/** */
static int stlink_usb_close(void *fd)
{
@@ -1632,13 +1650,9 @@ struct hl_layout_api_s stlink_usb_layout_api = {
/** */
.write_reg = stlink_usb_write_reg,
/** */
.read_mem8 = stlink_usb_read_mem8,
/** */
.write_mem8 = stlink_usb_write_mem8,
/** */
.read_mem32 = stlink_usb_read_mem32,
.read_mem = stlink_usb_read_mem,
/** */
.write_mem32 = stlink_usb_write_mem32,
.write_mem = stlink_usb_write_mem,
/** */
.write_debug_reg = stlink_usb_write_debug_reg
};

+ 20
- 24
src/jtag/drivers/ti_icdi_usb.c View File

@@ -55,8 +55,10 @@ struct icdi_usb_handle_s {
int read_count;
};

static int icdi_usb_read_mem32(void *handle, uint32_t addr, uint16_t len, uint8_t *buffer);
static int icdi_usb_write_mem32(void *handle, uint32_t addr, uint16_t len, const uint8_t *buffer);
static int icdi_usb_read_mem(void *handle, uint32_t addr, uint32_t size,
uint32_t count, uint8_t *buffer);
static int icdi_usb_write_mem(void *handle, uint32_t addr, uint32_t size,
uint32_t count, const uint8_t *buffer);

static int remote_escape_output(const char *buffer, int len, char *out_buf, int *out_len, int out_maxlen)
{
@@ -286,7 +288,7 @@ static int icdi_usb_idcode(void *handle, uint32_t *idcode)

static int icdi_usb_write_debug_reg(void *handle, uint32_t addr, uint32_t val)
{
return icdi_usb_write_mem32(handle, addr, 1, (uint8_t *)&val);
return icdi_usb_write_mem(handle, addr, 4, 1, (uint8_t *)&val);
}

static enum target_state icdi_usb_state(void *handle)
@@ -297,7 +299,7 @@ static enum target_state icdi_usb_state(void *handle)

h = (struct icdi_usb_handle_s *)handle;

result = icdi_usb_read_mem32(h, DCB_DHCSR, 1, (uint8_t *)&dhcsr);
result = icdi_usb_read_mem(h, DCB_DHCSR, 4, 1, (uint8_t *)&dhcsr);
if (result != ERROR_OK)
return TARGET_UNKNOWN;

@@ -524,7 +526,7 @@ static int icdi_usb_write_reg(void *handle, int num, uint32_t val)
return result;
}

static int icdi_usb_read_mem(void *handle, uint32_t addr, uint32_t len, uint8_t *buffer)
static int icdi_usb_read_mem_int(void *handle, uint32_t addr, uint32_t len, uint8_t *buffer)
{
int result;
struct icdi_usb_handle_s *h;
@@ -554,7 +556,7 @@ static int icdi_usb_read_mem(void *handle, uint32_t addr, uint32_t len, uint8_t
return ERROR_OK;
}

static int icdi_usb_write_mem(void *handle, uint32_t addr, uint32_t len, const uint8_t *buffer)
static int icdi_usb_write_mem_int(void *handle, uint32_t addr, uint32_t len, const uint8_t *buffer)
{
int result;
struct icdi_usb_handle_s *h;
@@ -587,24 +589,20 @@ static int icdi_usb_write_mem(void *handle, uint32_t addr, uint32_t len, const u
return ERROR_OK;
}

static int icdi_usb_read_mem8(void *handle, uint32_t addr, uint16_t len, uint8_t *buffer)
static int icdi_usb_read_mem(void *handle, uint32_t addr, uint32_t size,
uint32_t count, uint8_t *buffer)
{
return icdi_usb_read_mem(handle, addr, len, buffer);
if (size == 4)
count *= size;
return icdi_usb_read_mem_int(handle, addr, count, buffer);
}

static int icdi_usb_write_mem8(void *handle, uint32_t addr, uint16_t len, const uint8_t *buffer)
static int icdi_usb_write_mem(void *handle, uint32_t addr, uint32_t size,
uint32_t count, const uint8_t *buffer)
{
return icdi_usb_write_mem(handle, addr, len, buffer);
}

static int icdi_usb_read_mem32(void *handle, uint32_t addr, uint16_t len, uint8_t *buffer)
{
return icdi_usb_read_mem(handle, addr, len * 4, buffer);
}

static int icdi_usb_write_mem32(void *handle, uint32_t addr, uint16_t len, const uint8_t *buffer)
{
return icdi_usb_write_mem(handle, addr, len * 4, buffer);
if (size == 4)
count *= size;
return icdi_usb_write_mem_int(handle, addr, count, buffer);
}

static int icdi_usb_close(void *handle)
@@ -732,9 +730,7 @@ struct hl_layout_api_s icdi_usb_layout_api = {
.read_regs = icdi_usb_read_regs,
.read_reg = icdi_usb_read_reg,
.write_reg = icdi_usb_write_reg,
.read_mem8 = icdi_usb_read_mem8,
.write_mem8 = icdi_usb_write_mem8,
.read_mem32 = icdi_usb_read_mem32,
.write_mem32 = icdi_usb_write_mem32,
.read_mem = icdi_usb_read_mem,
.write_mem = icdi_usb_write_mem,
.write_debug_reg = icdi_usb_write_debug_reg
};

+ 4
- 10
src/jtag/hla/hla_layout.h View File

@@ -55,17 +55,11 @@ struct hl_layout_api_s {
/** */
int (*write_reg) (void *fd, int num, uint32_t val);
/** */
int (*read_mem8) (void *handle, uint32_t addr, uint16_t len,
uint8_t *buffer);
int (*read_mem) (void *handle, uint32_t addr, uint32_t size,
uint32_t count, uint8_t *buffer);
/** */
int (*write_mem8) (void *handle, uint32_t addr, uint16_t len,
const uint8_t *buffer);
/** */
int (*read_mem32) (void *handle, uint32_t addr, uint16_t len,
uint8_t *buffer);
/** */
int (*write_mem32) (void *handle, uint32_t addr, uint16_t len,
const uint8_t *buffer);
int (*write_mem) (void *handle, uint32_t addr, uint32_t size,
uint32_t count, const uint8_t *buffer);
/** */
int (*write_debug_reg) (void *handle, uint32_t addr, uint32_t val);
/** */


+ 5
- 18
src/target/hla_target.c View File

@@ -259,8 +259,8 @@ static int adapter_examine_debug_reason(struct target *target)
static int hl_dcc_read(struct hl_interface_s *hl_if, uint8_t *value, uint8_t *ctrl)
{
uint16_t dcrdr;
int retval = hl_if->layout->api->read_mem8(hl_if->fd,
DCB_DCRDR, sizeof(dcrdr), (uint8_t *)&dcrdr);
int retval = hl_if->layout->api->read_mem(hl_if->fd,
DCB_DCRDR, 1, sizeof(dcrdr), (uint8_t *)&dcrdr);
if (retval == ERROR_OK) {
*ctrl = (uint8_t)dcrdr;
*value = (uint8_t)(dcrdr >> 8);
@@ -272,8 +272,7 @@ static int hl_dcc_read(struct hl_interface_s *hl_if, uint8_t *value, uint8_t *ct
* to signify we have read data */
/* atomically clear just the byte containing the busy bit */
static const uint8_t zero;
retval = hl_if->layout->api->write_mem8(
hl_if->fd, DCB_DCRDR, 1, &zero);
retval = hl_if->layout->api->write_mem(hl_if->fd, DCB_DCRDR, 1, 1, &zero);
}
}
return retval;
@@ -784,13 +783,7 @@ static int adapter_read_memory(struct target *target, uint32_t address,
else
c = count;

if (size != 4)
res = adapter->layout->api->read_mem8(adapter->fd,
address, c, buffer);
else
res = adapter->layout->api->read_mem32(adapter->fd,
address, c, buffer);

res = adapter->layout->api->read_mem(adapter->fd, address, size, c, buffer);
if (res != ERROR_OK)
return res;

@@ -832,13 +825,7 @@ static int adapter_write_memory(struct target *target, uint32_t address,
else
c = count;

if (size != 4)
res = adapter->layout->api->write_mem8(adapter->fd,
address, c, buffer);
else
res = adapter->layout->api->write_mem32(adapter->fd,
address, c, buffer);

res = adapter->layout->api->write_mem(adapter->fd, address, size, c, buffer);
if (res != ERROR_OK)
return res;



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