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arm_adi_v5: add error propagation for dap_setup_accessport
authorØyvind Harboe <oyvind.harboe@zylin.com>
Mon, 19 Jul 2010 11:45:53 +0000 (13:45 +0200)
committerØyvind Harboe <oyvind.harboe@zylin.com>
Mon, 19 Jul 2010 20:13:49 +0000 (22:13 +0200)
Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
src/target/arm_adi_v5.c patch | blob | history
src/target/cortex_m3.c patch | blob | history

diff --git a/src/target/arm_adi_v5.c b/src/target/arm_adi_v5.c
index dfb45b496b1012f42d291cf838dc97fcd4e7e8f0..9a33d820131500b7d626d81d6911436f2eee2d91 100644 (file)
--- a/src/target/arm_adi_v5.c
+++ b/src/target/arm_adi_v5.c
@@ -5,7 +5,7 @@
  *   Copyright (C) 2008 by Spencer Oliver                                  *
  *   spen@spen-soft.co.uk                                                  *
  *                                                                         *
- *   Copyright (C) 2009 by Oyvind Harboe                                   *
+ *   Copyright (C) 2009-2010 by Oyvind Harboe                              *
  *   oyvind.harboe@zylin.com                                               *
  *                                                                         *
  *   Copyright (C) 2009-2010 by David Brownell                             *
@@ -309,7 +309,9 @@ int mem_ap_write_buf_u32(struct adiv5_dap *dap, uint8_t *buffer, int count, uint
                if (blocksize == 0)
                        blocksize = 1;
 
-               dap_setup_accessport(dap, CSW_32BIT | CSW_ADDRINC_SINGLE, address);
+               retval = dap_setup_accessport(dap, CSW_32BIT | CSW_ADDRINC_SINGLE, address);
+               if (retval != ERROR_OK)
+                       return retval;
 
                for (writecount = 0; writecount < blocksize; writecount++)
                {
@@ -363,7 +365,9 @@ static int mem_ap_write_buf_packed_u16(struct adiv5_dap *dap,
                if (blocksize == 0)
                        blocksize = 1;
 
-               dap_setup_accessport(dap, CSW_16BIT | CSW_ADDRINC_PACKED, address);
+               retval = dap_setup_accessport(dap, CSW_16BIT | CSW_ADDRINC_PACKED, address);
+               if (retval != ERROR_OK)
+                       return retval;
                writecount = blocksize;
 
                do
@@ -430,7 +434,9 @@ int mem_ap_write_buf_u16(struct adiv5_dap *dap, uint8_t *buffer, int count, uint
 
        while (count > 0)
        {
-               dap_setup_accessport(dap, CSW_16BIT | CSW_ADDRINC_SINGLE, address);
+               retval = dap_setup_accessport(dap, CSW_16BIT | CSW_ADDRINC_SINGLE, address);
+               if (retval != ERROR_OK)
+                       return retval;
                uint16_t svalue;
                memcpy(&svalue, buffer, sizeof(uint16_t));
                uint32_t outvalue = (uint32_t)svalue << 8 * (address & 0x3);
@@ -468,7 +474,9 @@ static int mem_ap_write_buf_packed_u8(struct adiv5_dap *dap,
                if (wcount < blocksize)
                        blocksize = wcount;
 
-               dap_setup_accessport(dap, CSW_8BIT | CSW_ADDRINC_PACKED, address);
+               retval = dap_setup_accessport(dap, CSW_8BIT | CSW_ADDRINC_PACKED, address);
+               if (retval != ERROR_OK)
+                       return retval;
                writecount = blocksize;
 
                do
@@ -534,7 +542,9 @@ int mem_ap_write_buf_u8(struct adiv5_dap *dap, uint8_t *buffer, int count, uint3
 
        while (count > 0)
        {
-               dap_setup_accessport(dap, CSW_8BIT | CSW_ADDRINC_SINGLE, address);
+               retval = dap_setup_accessport(dap, CSW_8BIT | CSW_ADDRINC_SINGLE, address);
+               if (retval != ERROR_OK)
+                       return retval;
                uint32_t outvalue = (uint32_t)*buffer << 8 * (address & 0x3);
                retval = dap_queue_ap_write(dap, AP_REG_DRW, outvalue);
                if (retval != ERROR_OK)
@@ -592,8 +602,10 @@ int mem_ap_read_buf_u32(struct adiv5_dap *dap, uint8_t *buffer,
                if (blocksize == 0)
                        blocksize = 1;
 
-               dap_setup_accessport(dap, CSW_32BIT | CSW_ADDRINC_SINGLE,
+               retval = dap_setup_accessport(dap, CSW_32BIT | CSW_ADDRINC_SINGLE,
                                address);
+               if (retval != ERROR_OK)
+                       return retval;
 
                /* FIXME remove these three calls to adi_jtag_dp_scan(),
                 * so this routine becomes transport-neutral.  Be careful
@@ -686,7 +698,9 @@ static int mem_ap_read_buf_packed_u16(struct adiv5_dap *dap,
                if (wcount < blocksize)
                        blocksize = wcount;
 
-               dap_setup_accessport(dap, CSW_16BIT | CSW_ADDRINC_PACKED, address);
+               retval = dap_setup_accessport(dap, CSW_16BIT | CSW_ADDRINC_PACKED, address);
+               if (retval != ERROR_OK)
+                       return retval;
 
                /* handle unaligned data at 4k boundary */
                if (blocksize == 0)
@@ -739,7 +753,9 @@ int mem_ap_read_buf_u16(struct adiv5_dap *dap, uint8_t *buffer,
 
        while (count > 0)
        {
-               dap_setup_accessport(dap, CSW_16BIT | CSW_ADDRINC_SINGLE, address);
+               retval = dap_setup_accessport(dap, CSW_16BIT | CSW_ADDRINC_SINGLE, address);
+               if (retval != ERROR_OK)
+                       return retval;
                retval = dap_queue_ap_read(dap, AP_REG_DRW, &invalue);
                if (retval != ERROR_OK)
                        break;
@@ -795,7 +811,9 @@ static int mem_ap_read_buf_packed_u8(struct adiv5_dap *dap,
                if (wcount < blocksize)
                        blocksize = wcount;
 
-               dap_setup_accessport(dap, CSW_8BIT | CSW_ADDRINC_PACKED, address);
+               retval = dap_setup_accessport(dap, CSW_8BIT | CSW_ADDRINC_PACKED, address);
+               if (retval != ERROR_OK)
+                       return retval;
                readcount = blocksize;
 
                do
@@ -844,8 +862,12 @@ int mem_ap_read_buf_u8(struct adiv5_dap *dap, uint8_t *buffer,
 
        while (count > 0)
        {
-               dap_setup_accessport(dap, CSW_8BIT | CSW_ADDRINC_SINGLE, address);
+               retval = dap_setup_accessport(dap, CSW_8BIT | CSW_ADDRINC_SINGLE, address);
+               if (retval != ERROR_OK)
+                       return retval;
                retval = dap_queue_ap_read(dap, AP_REG_DRW, &invalue);
+               if (retval != ERROR_OK)
+                       return retval;
                retval = dap_run(dap);
                if (retval != ERROR_OK)
                        break;
diff --git a/src/target/cortex_m3.c b/src/target/cortex_m3.c
index 4f3560f7664c73498cbcecbc1cdc34df9a819e82..d6090f55b98b90f46c7ed04b32623fc433bc4d79 100644 (file)
--- a/src/target/cortex_m3.c
+++ b/src/target/cortex_m3.c
@@ -71,13 +71,17 @@ static int cortexm3_dap_read_coreregister_u32(struct adiv5_dap *swjdp,
        mem_ap_read_u32(swjdp, DCB_DCRDR, &dcrdr);
 
        /* mem_ap_write_u32(swjdp, DCB_DCRSR, regnum); */
-       dap_setup_accessport(swjdp, CSW_32BIT | CSW_ADDRINC_OFF, DCB_DCRSR & 0xFFFFFFF0);
+       retval = dap_setup_accessport(swjdp, CSW_32BIT | CSW_ADDRINC_OFF, DCB_DCRSR & 0xFFFFFFF0);
+       if (retval != ERROR_OK)
+               return retval;
        retval = dap_queue_ap_write(swjdp, AP_REG_BD0 | (DCB_DCRSR & 0xC), regnum);
        if (retval != ERROR_OK)
                return retval;
 
        /* mem_ap_read_u32(swjdp, DCB_DCRDR, value); */
-       dap_setup_accessport(swjdp, CSW_32BIT | CSW_ADDRINC_OFF, DCB_DCRDR & 0xFFFFFFF0);
+       retval = dap_setup_accessport(swjdp, CSW_32BIT | CSW_ADDRINC_OFF, DCB_DCRDR & 0xFFFFFFF0);
+       if (retval != ERROR_OK)
+               return retval;
        retval = dap_queue_ap_read(swjdp, AP_REG_BD0 | (DCB_DCRDR & 0xC), value);
        if (retval != ERROR_OK)
                return retval;
@@ -106,12 +110,16 @@ static int cortexm3_dap_write_coreregister_u32(struct adiv5_dap *swjdp,
        mem_ap_read_u32(swjdp, DCB_DCRDR, &dcrdr);
 
        /* mem_ap_write_u32(swjdp, DCB_DCRDR, core_regs[i]); */
-       dap_setup_accessport(swjdp, CSW_32BIT | CSW_ADDRINC_OFF, DCB_DCRDR & 0xFFFFFFF0);
+       retval = dap_setup_accessport(swjdp, CSW_32BIT | CSW_ADDRINC_OFF, DCB_DCRDR & 0xFFFFFFF0);
+       if (retval != ERROR_OK)
+               return retval;
        retval = dap_queue_ap_write(swjdp, AP_REG_BD0 | (DCB_DCRDR & 0xC), value);
        // XXX check retval
 
        /* mem_ap_write_u32(swjdp, DCB_DCRSR, i | DCRSR_WnR); */
-       dap_setup_accessport(swjdp, CSW_32BIT | CSW_ADDRINC_OFF, DCB_DCRSR & 0xFFFFFFF0);
+       retval = dap_setup_accessport(swjdp, CSW_32BIT | CSW_ADDRINC_OFF, DCB_DCRSR & 0xFFFFFFF0);
+       if (retval != ERROR_OK)
+               return retval;
        retval = dap_queue_ap_write(swjdp, AP_REG_BD0 | (DCB_DCRSR & 0xC), regnum | DCRSR_WnR);
        // XXX check retval
 
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