target-xtensa: refactor standard core configuration

Coalesce all standard configuration sections into single
DEFAULT_SECTIONS macro for all cores. This allows to add new features in
a single place: overlay_tool.h

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>

target-xtensa/core-dc232b.c

@@ -35,7 +35,6 @@
 
 static const XtensaConfig dc232b = {
     .name = "dc232b",
-    .options = XTENSA_OPTIONS,
     .gdb_regmap = {
         .num_regs = 120,
         .num_core_regs = 52,
@@ -43,13 +42,8 @@ static const XtensaConfig dc232b = {
 #include "core-dc232b/gdb-config.c"
         }
     },
-    .nareg = XCHAL_NUM_AREGS,
-    .ndepc = 1,
-    EXCEPTIONS_SECTION,
-    INTERRUPTS_SECTION,
-    TLB_SECTION,
-    DEBUG_SECTION,
     .clock_freq_khz = 10000,
+    DEFAULT_SECTIONS
 };
 
 REGISTER_CORE(dc232b)

target-xtensa/core-dc233c.c

@@ -36,7 +36,6 @@
 
 static const XtensaConfig dc233c = {
     .name = "dc233c",
-    .options = XTENSA_OPTIONS,
     .gdb_regmap = {
         .num_regs = 121,
         .num_core_regs = 52,
@@ -44,13 +43,8 @@ static const XtensaConfig dc233c = {
 #include "core-dc233c/gdb-config.c"
         }
     },
-    .nareg = XCHAL_NUM_AREGS,
-    .ndepc = 1,
-    EXCEPTIONS_SECTION,
-    INTERRUPTS_SECTION,
-    TLB_SECTION,
-    DEBUG_SECTION,
     .clock_freq_khz = 10000,
+    DEFAULT_SECTIONS
 };
 
 REGISTER_CORE(dc233c)

target-xtensa/core-fsf.c

@@ -35,15 +35,9 @@
 
 static const XtensaConfig fsf = {
     .name = "fsf",
-    .options = XTENSA_OPTIONS,
     /* GDB for this core is not supported currently */
-    .nareg = XCHAL_NUM_AREGS,
-    .ndepc = 1,
-    EXCEPTIONS_SECTION,
-    INTERRUPTS_SECTION,
-    TLB_SECTION,
-    DEBUG_SECTION,
     .clock_freq_khz = 10000,
+    DEFAULT_SECTIONS
 };
 
 REGISTER_CORE(fsf)

target-xtensa/overlay_tool.h

@@ -319,6 +319,16 @@
     .nibreak = XCHAL_NUM_IBREAK, \
     .ndbreak = XCHAL_NUM_DBREAK
 
+#define DEFAULT_SECTIONS \
+    .options = XTENSA_OPTIONS, \
+    .nareg = XCHAL_NUM_AREGS, \
+    .ndepc = (XCHAL_XEA_VERSION >= 2), \
+    EXCEPTIONS_SECTION, \
+    INTERRUPTS_SECTION, \
+    TLB_SECTION, \
+    DEBUG_SECTION
+
+
 #if XCHAL_NUM_INTLEVELS + XCHAL_HAVE_NMI + 1 <= 2
 #define XCHAL_INTLEVEL2_VECTOR_VADDR 0
 #endif