warnings: fix alignment warnings

[fw/openocd] / src / target / xscale.c

diff --git a/src/target/xscale.c b/src/target/xscale.c
index 82b0f3427020053af842834e02093134755e1876..e0ce400b46101a5b480467693deccf0757a64db4 100644 (file)
--- a/src/target/xscale.c
+++ b/src/target/xscale.c
@@ -244,7 +244,7 @@ static int xscale_read_dcsr(struct target *target)
 static void xscale_getbuf(jtag_callback_data_t arg)
 {
        uint8_t *in = (uint8_t *)arg;
-       *((uint32_t *)in) = buf_get_u32(in, 0, 32);
+       *((uint32_t *)arg) = buf_get_u32(in, 0, 32);
 }
 
 static int xscale_receive(struct target *target, uint32_t *buffer, int num_words)
@@ -2193,13 +2193,13 @@ static int xscale_add_breakpoint(struct target *target,
 
        if ((breakpoint->type == BKPT_HARD) && (xscale->ibcr_available < 1))
        {
-               LOG_INFO("no breakpoint unit available for hardware breakpoint");
+               LOG_ERROR("no breakpoint unit available for hardware breakpoint");
                return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
        }
 
        if ((breakpoint->length != 2) && (breakpoint->length != 4))
        {
-               LOG_INFO("only breakpoints of two (Thumb) or four (ARM) bytes length supported");
+               LOG_ERROR("only breakpoints of two (Thumb) or four (ARM) bytes length supported");
                return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
        }
 
@@ -2277,7 +2277,7 @@ static int xscale_remove_breakpoint(struct target *target, struct breakpoint *br
 
        if (target->state != TARGET_HALTED)
        {
-               LOG_WARNING("target not halted");
+               LOG_ERROR("target not halted");
                return ERROR_TARGET_NOT_HALTED;
        }
 
@@ -2302,7 +2302,7 @@ static int xscale_set_watchpoint(struct target *target,
 
        if (target->state != TARGET_HALTED)
        {
-               LOG_WARNING("target not halted");
+               LOG_ERROR("target not halted");
                return ERROR_TARGET_NOT_HALTED;
        }
 
@@ -2371,7 +2371,8 @@ static int xscale_add_watchpoint(struct target *target,
 
        if (xscale->dbr_available < 1)
        {
-               return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
+          LOG_ERROR("no more watchpoint registers available");
+          return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
        }
 
        if (watchpoint->value)
@@ -2395,8 +2396,18 @@ static int xscale_add_watchpoint(struct target *target,
 
        /* watchpoints across multiple words require both DBR registers */
        if (xscale->dbr_available < 2)
+       {
+          LOG_ERROR("insufficient watchpoint registers available");
           return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
+       }
        
+       if (watchpoint->length > watchpoint->address)
+       {
+          LOG_ERROR("xscale does not support watchpoints with length "
+                                "greater than address");
+          return ERROR_COMMAND_ARGUMENT_INVALID;
+       }
+          
        xscale->dbr_available = 0;
        return ERROR_OK;
 }
@@ -2450,7 +2461,7 @@ static int xscale_remove_watchpoint(struct target *target, struct watchpoint *wa
 
        if (target->state != TARGET_HALTED)
        {
-               LOG_WARNING("target not halted");
+               LOG_ERROR("target not halted");
                return ERROR_TARGET_NOT_HALTED;
        }