target: restructure dap support

[openocd.git] / src / target / aarch64.c

diff --git a/src/target/aarch64.c b/src/target/aarch64.c
index e9c822d64d7b13275a867c9c2f53f326fc53cf52..4641a3fd5e7af46176970cc2f8bf2656116ca90c 100644 (file)
--- a/src/target/aarch64.c
+++ b/src/target/aarch64.c
@@ -41,6 +41,7 @@ enum halt_mode {
 };
 
 struct aarch64_private_config {
+       struct adiv5_private_config adiv5_config;
        struct arm_cti *cti;
 };
 
@@ -2210,10 +2211,6 @@ static int aarch64_examine_first(struct target *target)
        uint32_t tmp0, tmp1, tmp2, tmp3;
        debug = ttypr = cpuid = 0;
 
-       retval = dap_dp_init(swjdp);
-       if (retval != ERROR_OK)
-               return retval;
-
        /* Search for the APB-AB - it is needed for access to debug registers */
        retval = dap_find_ap(swjdp, AP_TYPE_APB_AP, &armv8->debug_ap);
        if (retval != ERROR_OK) {
@@ -2358,18 +2355,13 @@ static int aarch64_init_target(struct command_context *cmd_ctx,
 }
 
 static int aarch64_init_arch_info(struct target *target,
-       struct aarch64_common *aarch64, struct jtag_tap *tap)
+       struct aarch64_common *aarch64, struct adiv5_dap *dap)
 {
        struct armv8_common *armv8 = &aarch64->armv8_common;
 
        /* Setup struct aarch64_common */
        aarch64->common_magic = AARCH64_COMMON_MAGIC;
-       /*  tap has no dap initialized */
-       if (!tap->dap) {
-               tap->dap = dap_init();
-               tap->dap->tap = tap;
-       }
-       armv8->arm.dap = tap->dap;
+       armv8->arm.dap = dap;
 
        /* register arch-specific functions */
        armv8->examine_debug_reason = NULL;
@@ -2385,9 +2377,13 @@ static int aarch64_init_arch_info(struct target *target,
 
 static int aarch64_target_create(struct target *target, Jim_Interp *interp)
 {
+       struct aarch64_private_config *pc = target->private_config;
        struct aarch64_common *aarch64 = calloc(1, sizeof(struct aarch64_common));
 
-       return aarch64_init_arch_info(target, aarch64, target->tap);
+       if (adiv5_verify_config(&pc->adiv5_config) != ERROR_OK)
+               return ERROR_FAIL;
+
+       return aarch64_init_arch_info(target, aarch64, pc->adiv5_config.dap);
 }
 
 static int aarch64_mmu(struct target *target, int *enabled)
@@ -2407,58 +2403,89 @@ static int aarch64_virt2phys(struct target *target, target_addr_t virt,
        return armv8_mmu_translate_va_pa(target, virt, phys, 1);
 }
 
+/*
+ * private target configuration items
+ */
+enum aarch64_cfg_param {
+       CFG_CTI,
+};
+
+static const Jim_Nvp nvp_config_opts[] = {
+       { .name = "-cti", .value = CFG_CTI },
+       { .name = NULL, .value = -1 }
+};
+
 static int aarch64_jim_configure(struct target *target, Jim_GetOptInfo *goi)
 {
        struct aarch64_private_config *pc;
-       const char *arg;
+       Jim_Nvp *n;
        int e;
 
-       /* check if argv[0] is for us */
-       arg = Jim_GetString(goi->argv[0], NULL);
-       if (strcmp(arg, "-cti"))
-               return JIM_CONTINUE;
+       pc = (struct aarch64_private_config *)target->private_config;
+       if (pc == NULL) {
+                       pc = calloc(1, sizeof(struct aarch64_private_config));
+                       target->private_config = pc;
+       }
 
-       /* pop the argument from argv */
-       e = Jim_GetOpt_String(goi, &arg, NULL);
-       if (e != JIM_OK)
+       /*
+        * Call adiv5_jim_configure() to parse the common DAP options
+        * It will return JIM_CONTINUE if it didn't find any known
+        * options, JIM_OK if it correctly parsed the topmost option
+        * and JIM_ERR if an error occured during parameter evaluation.
+        * For JIM_CONTINUE, we check our own params.
+        */
+       e = adiv5_jim_configure(target, goi);
+       if (e != JIM_CONTINUE)
                return e;
 
-       /* check if we have another option */
-       if (goi->argc == 0) {
-               Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-cti ?cti-name?");
-               return JIM_ERR;
-       }
+       /* parse config or cget options ... */
+       if (goi->argc > 0) {
+               Jim_SetEmptyResult(goi->interp);
 
-       pc = (struct aarch64_private_config *)target->private_config;
+               /* check first if topmost item is for us */
+               e = Jim_Nvp_name2value_obj(goi->interp, nvp_config_opts,
+                               goi->argv[0], &n);
+               if (e != JIM_OK)
+                       return JIM_CONTINUE;
 
-       if (goi->isconfigure) {
-               Jim_Obj *o_cti;
-               struct arm_cti *cti;
-               e = Jim_GetOpt_Obj(goi, &o_cti);
+               e = Jim_GetOpt_Obj(goi, NULL);
                if (e != JIM_OK)
                        return e;
-               cti = cti_instance_by_jim_obj(goi->interp, o_cti);
-               if (cti == NULL)
-                       return JIM_ERR;
 
-               if (pc == NULL) {
-                       pc = calloc(1, sizeof(struct aarch64_private_config));
-                       target->private_config = pc;
-               }
-               pc->cti = cti;
-       } else {
-               if (goi->argc != 0) {
-                       Jim_WrongNumArgs(goi->interp,
-                                       goi->argc, goi->argv,
-                                       "NO PARAMS");
-                       return JIM_ERR;
+               switch (n->value) {
+               case CFG_CTI: {
+                       if (goi->isconfigure) {
+                               Jim_Obj *o_cti;
+                               struct arm_cti *cti;
+                               e = Jim_GetOpt_Obj(goi, &o_cti);
+                               if (e != JIM_OK)
+                                       return e;
+                               cti = cti_instance_by_jim_obj(goi->interp, o_cti);
+                               if (cti == NULL) {
+                                       Jim_SetResultString(goi->interp, "CTI name invalid!", -1);
+                                       return JIM_ERR;
+                               }
+                               pc->cti = cti;
+                       } else {
+                               if (goi->argc != 0) {
+                                       Jim_WrongNumArgs(goi->interp,
+                                                       goi->argc, goi->argv,
+                                                       "NO PARAMS");
+                                       return JIM_ERR;
+                               }
+
+                               if (pc == NULL || pc->cti == NULL) {
+                                       Jim_SetResultString(goi->interp, "CTI not configured", -1);
+                                       return JIM_ERR;
+                               }
+                               Jim_SetResultString(goi->interp, arm_cti_name(pc->cti), -1);
+                       }
+                       break;
                }
 
-               if (pc == NULL || pc->cti == NULL) {
-                       Jim_SetResultString(goi->interp, "CTI not configured", -1);
-                       return JIM_ERR;
+               default:
+                       return JIM_CONTINUE;
                }
-               Jim_SetResultString(goi->interp, arm_cti_name(pc->cti), -1);
        }
 
        return JIM_OK;