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initial SWD transport (SWD infrastructure #2)
[openocd.git] / src / target / mips32_pracc.c
diff --git a/src/target/mips32_pracc.c b/src/target/mips32_pracc.c
index bcba0f1d0dc8d69d3bdb63c97077f4165e250b72..236f389466a44811c48e14968a9387f6959b4011 100644 (file)
--- a/src/target/mips32_pracc.c
+++ b/src/target/mips32_pracc.c
@@ -90,13 +90,31 @@ struct mips32_pracc_context
        struct mips_ejtag *ejtag_info;
 };
 
+static int mips32_pracc_read_mem8(struct mips_ejtag *ejtag_info,
+               uint32_t addr, int count, uint8_t *buf);
+static int mips32_pracc_read_mem16(struct mips_ejtag *ejtag_info,
+               uint32_t addr, int count, uint16_t *buf);
+static int mips32_pracc_read_mem32(struct mips_ejtag *ejtag_info,
+               uint32_t addr, int count, uint32_t *buf);
+static int mips32_pracc_read_u32(struct mips_ejtag *ejtag_info,
+               uint32_t addr, uint32_t *buf);
+
+static int mips32_pracc_write_mem8(struct mips_ejtag *ejtag_info,
+               uint32_t addr, int count, uint8_t *buf);
+static int mips32_pracc_write_mem16(struct mips_ejtag *ejtag_info,
+               uint32_t addr, int count, uint16_t *buf);
+static int mips32_pracc_write_mem32(struct mips_ejtag *ejtag_info,
+               uint32_t addr, int count, uint32_t *buf);
+static int mips32_pracc_write_u32(struct mips_ejtag *ejtag_info,
+               uint32_t addr, uint32_t *buf);
+
 static int wait_for_pracc_rw(struct mips_ejtag *ejtag_info, uint32_t *ctrl)
 {
        uint32_t ejtag_ctrl;
 
        while (1)
        {
-               mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL, NULL);
+               mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL);
                ejtag_ctrl = ejtag_info->ejtag_ctrl;
                mips_ejtag_drscan_32(ejtag_info, &ejtag_ctrl);
                if (ejtag_ctrl & EJTAG_CTRL_PRACC)
@@ -149,12 +167,12 @@ static int mips32_pracc_exec_read(struct mips32_pracc_context *ctx, uint32_t add
        }
 
        /* Send the data out */
-       mips_ejtag_set_instr(ctx->ejtag_info, EJTAG_INST_DATA, NULL);
+       mips_ejtag_set_instr(ctx->ejtag_info, EJTAG_INST_DATA);
        mips_ejtag_drscan_32(ctx->ejtag_info, &data);
 
        /* Clear the access pending bit (let the processor eat!) */
        ejtag_ctrl = ejtag_info->ejtag_ctrl & ~EJTAG_CTRL_PRACC;
-       mips_ejtag_set_instr(ctx->ejtag_info, EJTAG_INST_CONTROL, NULL);
+       mips_ejtag_set_instr(ctx->ejtag_info, EJTAG_INST_CONTROL);
        mips_ejtag_drscan_32(ctx->ejtag_info, &ejtag_ctrl);
 
        jtag_add_clocks(5);
@@ -169,12 +187,12 @@ static int mips32_pracc_exec_write(struct mips32_pracc_context *ctx, uint32_t ad
        int offset;
        struct mips_ejtag *ejtag_info = ctx->ejtag_info;
 
-       mips_ejtag_set_instr(ctx->ejtag_info, EJTAG_INST_DATA, NULL);
+       mips_ejtag_set_instr(ctx->ejtag_info, EJTAG_INST_DATA);
        mips_ejtag_drscan_32(ctx->ejtag_info, &data);
 
        /* Clear access pending bit */
        ejtag_ctrl = ejtag_info->ejtag_ctrl & ~EJTAG_CTRL_PRACC;
-       mips_ejtag_set_instr(ctx->ejtag_info, EJTAG_INST_CONTROL, NULL);
+       mips_ejtag_set_instr(ctx->ejtag_info, EJTAG_INST_CONTROL);
        mips_ejtag_drscan_32(ctx->ejtag_info, &ejtag_ctrl);
 
        jtag_add_clocks(5);
@@ -230,7 +248,7 @@ int mips32_pracc_exec(struct mips_ejtag *ejtag_info, int code_len, const uint32_
                        return retval;
 
                address = data = 0;
-               mips_ejtag_set_instr(ejtag_info, EJTAG_INST_ADDRESS, NULL);
+               mips_ejtag_set_instr(ejtag_info, EJTAG_INST_ADDRESS);
                mips_ejtag_drscan_32(ejtag_info, &address);
 
                /* Check for read or write */
@@ -284,7 +302,7 @@ int mips32_pracc_read_mem(struct mips_ejtag *ejtag_info, uint32_t addr, int size
        return ERROR_OK;
 }
 
-int mips32_pracc_read_mem32(struct mips_ejtag *ejtag_info, uint32_t addr, int count, uint32_t *buf)
+static int mips32_pracc_read_mem32(struct mips_ejtag *ejtag_info, uint32_t addr, int count, uint32_t *buf)
 {
        static const uint32_t code[] = {
                                                                                                                        /* start: */
@@ -354,7 +372,7 @@ int mips32_pracc_read_mem32(struct mips_ejtag *ejtag_info, uint32_t addr, int co
        return retval;
 }
 
-int mips32_pracc_read_u32(struct mips_ejtag *ejtag_info, uint32_t addr, uint32_t *buf)
+static int mips32_pracc_read_u32(struct mips_ejtag *ejtag_info, uint32_t addr, uint32_t *buf)
 {
        static const uint32_t code[] = {
                                                                                                                        /* start: */
@@ -387,7 +405,7 @@ int mips32_pracc_read_u32(struct mips_ejtag *ejtag_info, uint32_t addr, uint32_t
        return retval;
 }
 
-int mips32_pracc_read_mem16(struct mips_ejtag *ejtag_info, uint32_t addr, int count, uint16_t *buf)
+static int mips32_pracc_read_mem16(struct mips_ejtag *ejtag_info, uint32_t addr, int count, uint16_t *buf)
 {
        static const uint32_t code[] = {
                                                                                                                        /* start: */
@@ -464,7 +482,7 @@ int mips32_pracc_read_mem16(struct mips_ejtag *ejtag_info, uint32_t addr, int co
        return ERROR_OK;
 }
 
-int mips32_pracc_read_mem8(struct mips_ejtag *ejtag_info, uint32_t addr, int count, uint8_t *buf)
+static int mips32_pracc_read_mem8(struct mips_ejtag *ejtag_info, uint32_t addr, int count, uint8_t *buf)
 {
        static const uint32_t code[] = {
                                                                                                                        /* start: */
@@ -559,7 +577,7 @@ int mips32_pracc_write_mem(struct mips_ejtag *ejtag_info, uint32_t addr, int siz
        return ERROR_OK;
 }
 
-int mips32_pracc_write_mem32(struct mips_ejtag *ejtag_info, uint32_t addr, int count, uint32_t *buf)
+static int mips32_pracc_write_mem32(struct mips_ejtag *ejtag_info, uint32_t addr, int count, uint32_t *buf)
 {
        static const uint32_t code[] = {
                                                                                                                        /* start: */
@@ -608,7 +626,7 @@ int mips32_pracc_write_mem32(struct mips_ejtag *ejtag_info, uint32_t addr, int c
        return ERROR_OK;
 }
 
-int mips32_pracc_write_u32(struct mips_ejtag *ejtag_info, uint32_t addr, uint32_t *buf)
+static int mips32_pracc_write_u32(struct mips_ejtag *ejtag_info, uint32_t addr, uint32_t *buf)
 {
        static const uint32_t code[] = {
                                                                                                                        /* start: */
@@ -640,7 +658,7 @@ int mips32_pracc_write_u32(struct mips_ejtag *ejtag_info, uint32_t addr, uint32_
        return ERROR_OK;
 }
 
-int mips32_pracc_write_mem16(struct mips_ejtag *ejtag_info, uint32_t addr, int count, uint16_t *buf)
+static int mips32_pracc_write_mem16(struct mips_ejtag *ejtag_info, uint32_t addr, int count, uint16_t *buf)
 {
        static const uint32_t code[] = {
                                                                                                                        /* start: */
@@ -698,7 +716,7 @@ int mips32_pracc_write_mem16(struct mips_ejtag *ejtag_info, uint32_t addr, int c
        return ERROR_OK;
 }
 
-int mips32_pracc_write_mem8(struct mips_ejtag *ejtag_info, uint32_t addr, int count, uint8_t *buf)
+static int mips32_pracc_write_mem8(struct mips_ejtag *ejtag_info, uint32_t addr, int count, uint8_t *buf)
 {
        static const uint32_t code[] = {
                                                                                                                        /* start: */
@@ -910,7 +928,7 @@ int mips32_pracc_read_regs(struct mips_ejtag *ejtag_info, uint32_t *regs)
  * 3. data ...
  */
 int mips32_pracc_fastdata_xfer(struct mips_ejtag *ejtag_info, struct working_area *source,
-                                                               int write, uint32_t addr, int count, uint32_t *buf)
+                                                               int write_t, uint32_t addr, int count, uint32_t *buf)
 {
        uint32_t handler_code[] = {
                /* caution when editing, table is modified below */
@@ -955,7 +973,7 @@ int mips32_pracc_fastdata_xfer(struct mips_ejtag *ejtag_info, struct working_are
        if (source->size < MIPS32_FASTDATA_HANDLER_SIZE)
                return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
 
-       if (write)
+       if (write_t)
        {
                handler_code[8] = MIPS32_LW(11,0,8);    /* load data from probe at fastdata area */
                handler_code[9] = MIPS32_SW(11,0,9);    /* store data to RAM @ r9 */
@@ -979,12 +997,12 @@ int mips32_pracc_fastdata_xfer(struct mips_ejtag *ejtag_info, struct working_are
                if ((retval = wait_for_pracc_rw(ejtag_info, &ejtag_ctrl)) != ERROR_OK)
                        return retval;
 
-               mips_ejtag_set_instr(ejtag_info, EJTAG_INST_DATA, NULL);
+               mips_ejtag_set_instr(ejtag_info, EJTAG_INST_DATA);
                mips_ejtag_drscan_32(ejtag_info, &jmp_code[i]);
 
                /* Clear the access pending bit (let the processor eat!) */
                ejtag_ctrl = ejtag_info->ejtag_ctrl & ~EJTAG_CTRL_PRACC;
-               mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL, NULL);
+               mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL);
                mips_ejtag_drscan_32(ejtag_info, &ejtag_ctrl);
        }
 
@@ -993,7 +1011,7 @@ int mips32_pracc_fastdata_xfer(struct mips_ejtag *ejtag_info, struct working_are
 
        /* next fetch to dmseg should be in FASTDATA_AREA, check */
        address = 0;
-       mips_ejtag_set_instr(ejtag_info, EJTAG_INST_ADDRESS, NULL);
+       mips_ejtag_set_instr(ejtag_info, EJTAG_INST_ADDRESS);
        mips_ejtag_drscan_32(ejtag_info, &address);
 
        if (address != MIPS32_PRACC_FASTDATA_AREA)
@@ -1001,18 +1019,18 @@ int mips32_pracc_fastdata_xfer(struct mips_ejtag *ejtag_info, struct working_are
 
        /* Send the load start address */
        val = addr;
-       mips_ejtag_set_instr(ejtag_info, EJTAG_INST_FASTDATA, NULL);
+       mips_ejtag_set_instr(ejtag_info, EJTAG_INST_FASTDATA);
        mips_ejtag_fastdata_scan(ejtag_info, 1, &val);
 
        /* Send the load end address */
        val = addr + (count - 1) * 4;
-       mips_ejtag_set_instr(ejtag_info, EJTAG_INST_FASTDATA, NULL);
+       mips_ejtag_set_instr(ejtag_info, EJTAG_INST_FASTDATA);
        mips_ejtag_fastdata_scan(ejtag_info, 1, &val);
 
        for (i = 0; i < count; i++)
        {
                /* Send the data out using fastdata (clears the access pending bit) */
-               if ((retval = mips_ejtag_fastdata_scan(ejtag_info, write, buf++)) != ERROR_OK)
+               if ((retval = mips_ejtag_fastdata_scan(ejtag_info, write_t, buf++)) != ERROR_OK)
                        return retval;
        }
 
@@ -1026,7 +1044,7 @@ int mips32_pracc_fastdata_xfer(struct mips_ejtag *ejtag_info, struct working_are
                return retval;
 
        address = 0;
-       mips_ejtag_set_instr(ejtag_info, EJTAG_INST_ADDRESS, NULL);
+       mips_ejtag_set_instr(ejtag_info, EJTAG_INST_ADDRESS);
        mips_ejtag_drscan_32(ejtag_info, &address);
 
        if (address != MIPS32_PRACC_TEXT)
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