Merge pull request #7060 from haukepetersen/opt_cpu_isrstacksizecleanup

cpu: remove ISR stack related placeholders

boards/qemu-i386/include/cpu_conf.h

@@ -30,7 +30,6 @@ extern "C" {
 #define THREAD_EXTRA_STACKSIZE_PRINTF            (8192)
 #define THREAD_EXTRA_STACKSIZE_PRINTF_FLOAT      (8192)
 #define THREAD_STACKSIZE_MINIMUM                 (8192)
-#define ISR_STACKSIZE                            (0)
 
 #ifdef __cplusplus
 }

cpu/arm7_common/arm_cpu.c

@@ -28,25 +28,6 @@ void thread_yield_higher(void)
     __asm__("svc 0\n");
 }
 
-/* This function calculates the ISR_usage */
-int thread_arch_isr_stack_usage(void)
-{
-    /* TODO */
-    return -1;
-}
-
-void *thread_arch_isr_stack_pointer(void)
-{
-    /* TODO */
-    return (void *)-1;
-}
-
-void *thread_arch_isr_stack_start(void)
-{
-    /* TODO */
-    return (void *)-1;
-}
-
 /*----------------------------------------------------------------------------
  * Processor specific routine - here for ARM7
  * sizeof(void*) = sizeof(int)

cpu/atmega1281/include/cpu_conf.h

@@ -41,10 +41,6 @@ extern "C" {
 #ifndef THREAD_STACKSIZE_IDLE
 #   define THREAD_STACKSIZE_IDLE      (128)
 #endif
-
-#ifndef ISR_STACKSIZE
-#   define ISR_STACKSIZE              (0)
-#endif
 /** @} */
 
 #ifdef __cplusplus

cpu/atmega2560/include/cpu_conf.h

@@ -40,7 +40,6 @@ extern "C" {
 #endif
 
 #define THREAD_STACKSIZE_IDLE      (128)
-#define ISR_STACKSIZE              (0)
 /** @} */
 
 #ifdef __cplusplus

cpu/atmega328p/include/cpu_conf.h

@@ -40,7 +40,6 @@ extern "C" {
 #endif
 
 #define THREAD_STACKSIZE_IDLE      (128)
-#define ISR_STACKSIZE              (0)
 /** @} */
 
 #ifdef __cplusplus

cpu/atmega_common/thread_arch.c

@@ -223,25 +223,6 @@ void thread_arch_stack_print(void)
     printf("stack size: %u bytes\n", size);
 }
 
-/* This function calculates the ISR_usage */
-int thread_arch_isr_stack_usage(void)
-{
-    /* TODO */
-    return -1;
-}
-
-void *thread_arch_isr_stack_pointer(void)
-{
-    /* TODO */
-    return (void *)-1;
-}
-
-void *thread_arch_isr_stack_start(void)
-{
-    /* TODO */
-    return (void *)-1;
-}
-
 void thread_arch_start_threading(void) __attribute__((naked));
 void thread_arch_start_threading(void)
 {

cpu/lpc2387/include/cpu_conf.h

@@ -51,8 +51,6 @@ extern "C" {
 #endif
 
 #define THREAD_STACKSIZE_IDLE      (160)
-
-#define ISR_STACKSIZE              (0)
 /** @} */
 
 /**

cpu/mips32r2_common/include/cpu_conf.h

@@ -57,8 +57,6 @@ extern "C" {
 #define THREAD_STACKSIZE_IDLE           (512 + THREAD_EXTRA_STACKSIZE_PRINTF)
 #endif
 #endif
-
-#define ISR_STACKSIZE                   (0)
 /** @} */
 
 

cpu/mips32r2_common/thread_arch.c

@@ -117,26 +117,6 @@ void thread_arch_stack_print(void)
     }
 }
 
-
-/* This function calculates the ISR_usage */
-int thread_arch_isr_stack_usage(void)
-{
-    /* TODO */
-    return -1;
-}
-
-void *thread_arch_isr_stack_pointer(void)
-{
-    /* TODO */
-    return (void *)-1;
-}
-
-void *thread_arch_isr_stack_start(void)
-{
-    /* TODO */
-    return (void *)-1;
-}
-
 extern void __exception_restore(void);
 void thread_arch_start_threading(void)
 {

cpu/mips_pic32mx/include/cpu_conf.h

@@ -58,8 +58,6 @@ extern "C" {
 #define THREAD_STACKSIZE_IDLE           (512 + THREAD_EXTRA_STACKSIZE_PRINTF)
 #endif
 #endif
-
-#define ISR_STACKSIZE                   (0)
 /** @} */
 
 #ifdef __cplusplus

cpu/mips_pic32mz/include/cpu_conf.h

@@ -59,8 +59,6 @@ extern "C" {
 #define THREAD_STACKSIZE_IDLE           (512 + THREAD_EXTRA_STACKSIZE_PRINTF)
 #endif
 #endif
-
-#define ISR_STACKSIZE                   (0)
 /** @} */
 
 #ifdef __cplusplus

cpu/msp430_common/cpu.c

@@ -52,6 +52,7 @@ void *thread_arch_isr_stack_start(void)
     return (void *)-1;
 }
 
+
 NORETURN void cpu_switch_context_exit(void)
 {
     sched_active_thread = sched_threads[0];

cpu/x86/x86_thread_arch.c

@@ -1,25 +0,0 @@
-/*
- * Copyright (C) 2016 Freie Universität Berlin
- *
- * This file is subject to the terms and conditions of the GNU Lesser
- * General Public License v2.1. See the file LICENSE in the top level
- * directory for more details.
- */
-
-/**
- * @{
- *
- * @file
- * @author  Martine Lenders <mlenders@inf.fu-berlin.de>
- */
-
-#include "arch/thread_arch.h"
-
-/* This function calculates the ISR_usage */
-int thread_arch_isr_stack_usage(void)
-{
-    /* TODO */
-    return -1;
-}
-
-/** @} */

sys/ps/ps.c

@@ -72,7 +72,7 @@ void ps(void)
 #endif
            "state");
 
-#ifdef DEVELHELP
+#if defined(DEVELHELP) && defined(ISR_STACKSIZE)
     int isr_usage = thread_arch_isr_stack_usage();
     void *isr_start = thread_arch_isr_stack_start();
     void *isr_sp = thread_arch_isr_stack_pointer();