freertos: Add bazel support for xtensa port

Split port specific headers into own target since the definitions are
used in FreeRTOSConfig.h. This avoids a circular dependency.

Change-Id: Id6d0b551864cbce1fb8fbc48035689224282c6b8
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/152171
Reviewed-by: Erik Gilling <konkers@google.com>
Commit-Queue: Auto-Submit <auto-submit@pigweed.google.com.iam.gserviceaccount.com>
Pigweed-Auto-Submit: Austin Foxley <afoxley@google.com>
Presubmit-Verified: CQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com>

third_party/freertos/BUILD.bazel

@@ -52,6 +52,11 @@ constraint_value(
  constraint_setting = ":port",
 )
 
+constraint_value(
+ name = "port_Xtensa",
+ constraint_setting = ":port",
+)
+
 pw_cc_library(
  name = "freertos",
  srcs = [
@@ -68,14 +73,23 @@ pw_cc_library(
  ],
  ":port_ARM_CM4F": ["portable/GCC/ARM_CM4F/port.c"],
  ":port_ARM_CM7": ["portable/GCC/ARM_CM7/r0p1/port.c"],
+ ":port_Xtensa": [
+ "portable/ThirdParty/XCC/Xtensa/mpu.S",
+ "portable/ThirdParty/XCC/Xtensa/port.c",
+ "portable/ThirdParty/XCC/Xtensa/portasm.S",
+ "portable/ThirdParty/XCC/Xtensa/portclib.c",
+ "portable/ThirdParty/XCC/Xtensa/portmpu.c",
+ "portable/ThirdParty/XCC/Xtensa/xtensa_context.S",
+ "portable/ThirdParty/XCC/Xtensa/xtensa_coproc_handler.S",
+ "portable/ThirdParty/XCC/Xtensa/xtensa_intr.c",
+ "portable/ThirdParty/XCC/Xtensa/xtensa_intr_asm.S",
+ "portable/ThirdParty/XCC/Xtensa/xtensa_intr_wrapper.c",
+ "portable/ThirdParty/XCC/Xtensa/xtensa_overlay_os_hook.c",
+ "portable/ThirdParty/XCC/Xtensa/xtensa_vectors.S",
+ ],
  "//conditions:default": [],
  }),
- includes = ["include/"] + select({
- ":port_ARM_CM33_NTZ": ["portable/GCC/ARM_CM33_NTZ/non_secure"],
- ":port_ARM_CM4F": ["portable/GCC/ARM_CM4F"],
- ":port_ARM_CM7": ["portable/GCC/ARM_CM7/r0p1"],
- "//conditions:default": [],
- }),
+ includes = ["include/"],
  textual_hdrs = [
  "include/FreeRTOS.h",
  "include/StackMacros.h",
@@ -93,17 +107,10 @@ pw_cc_library(
  "include/stream_buffer.h",
  "include/task.h",
  "include/timers.h",
- ] + select({
- ":port_ARM_CM33_NTZ": [
- "portable/GCC/ARM_CM33_NTZ/non_secure/portasm.h",
- "portable/GCC/ARM_CM33_NTZ/non_secure/portmacro.h",
- ],
- ":port_ARM_CM4F": ["portable/GCC/ARM_CM4F/portmacro.h"],
- ":port_ARM_CM7": ["portable/GCC/ARM_CM7/r0p1/portmacro.h"],
- "//conditions:default": [],
- }),
+ ],
  deps = [
  ":freertos_malloc",
+ ":freertos_port_headers",
  ":pigweed_tasks_c",
  "@pigweed_config//:freertos_config",
  ],
@@ -113,6 +120,36 @@ pw_cc_library(
  alwayslink = 1,
 )
 
+pw_cc_library(
+ name = "freertos_port_headers",
+ hdrs = select({
+ ":port_ARM_CM33_NTZ": [
+ "portable/GCC/ARM_CM33_NTZ/non_secure/portasm.h",
+ "portable/GCC/ARM_CM33_NTZ/non_secure/portmacro.h",
+ ],
+ ":port_ARM_CM4F": ["portable/GCC/ARM_CM4F/portmacro.h"],
+ ":port_ARM_CM7": ["portable/GCC/ARM_CM7/r0p1/portmacro.h"],
+ ":port_Xtensa": [
+ "portable/ThirdParty/XCC/Xtensa/portbenchmark.h",
+ "portable/ThirdParty/XCC/Xtensa/portmacro.h",
+ "portable/ThirdParty/XCC/Xtensa/porttrace.h",
+ "portable/ThirdParty/XCC/Xtensa/xtensa_api.h",
+ "portable/ThirdParty/XCC/Xtensa/xtensa_config.h",
+ "portable/ThirdParty/XCC/Xtensa/xtensa_context.h",
+ "portable/ThirdParty/XCC/Xtensa/xtensa_rtos.h",
+ "portable/ThirdParty/XCC/Xtensa/xtensa_timer.h",
+ ],
+ "//conditions:default": [],
+ }),
+ includes = select({
+ ":port_ARM_CM33_NTZ": ["portable/GCC/ARM_CM33_NTZ/non_secure"],
+ ":port_ARM_CM4F": ["portable/GCC/ARM_CM4F/"],
+ ":port_ARM_CM7": ["portable/GCC/ARM_CM7/r0p1/"],
+ ":port_Xtensa": ["portable/ThirdParty/XCC/Xtensa"],
+ "//conditions:default": [],
+ }),
+)
+
 # Headers transitively included by using "FreeRTOS.h"
 pw_cc_library(
  name = "freertos_headers",
@@ -126,22 +163,15 @@ pw_cc_library(
  "include/stack_macros.h",
  "include/task.h",
  "include/timers.h",
- ] + select({
- ":port_ARM_CM33_NTZ": ["portable/GCC/ARM_CM33_NTZ/non_secure/portmacro.h"],
- ":port_ARM_CM4F": ["portable/GCC/ARM_CM4F/portmacro.h"],
- ":port_ARM_CM7": ["portable/GCC/ARM_CM7/r0p1/portmacro.h"],
- "//conditions:default": [],
- }),
+ ],
  includes = [
  "include/",
- ] + select({
- ":port_ARM_CM33_NTZ": ["portable/GCC/ARM_CM33_NTZ/non_secure"],
- ":port_ARM_CM4F": ["portable/GCC/ARM_CM4F/"],
- ":port_ARM_CM7": ["portable/GCC/ARM_CM7/r0p1/"],
- "//conditions:default": [],
- }),
+ ],
  visibility = ["//visibility:private"],
- deps = ["@pigweed_config//:freertos_config"],
+ deps = [
+ ":freertos_port_headers",
+ "@pigweed_config//:freertos_config",
+ ],
 )
 
 # Constraint setting used to determine if task statics should be disabled.