Merge tag 'xtensa-20230627' of https://github.com/jcmvbkbc/linux-xtensa

Pull xtensa updates from Max Filippov:

 - clean up platform_* interface of the xtensa architecture

 - enable HAVE_ASM_MODVERSIONS

 - drop ARCH_WANT_FRAME_POINTERS

 - clean up unaligned access exception handler

 - provide handler for load/store exceptions

 - various small fixes and cleanups

* tag 'xtensa-20230627' of https://github.com/jcmvbkbc/linux-xtensa:
  xtensa: dump userspace code around the exception PC
  xtensa: rearrange show_stack output
  xtensa: add load/store exception handler
  xtensa: rearrange unaligned exception handler
  xtensa: always install slow handler for unaligned access exception
  xtensa: move early_trap_init from kasan_early_init to init_arch
  xtensa: drop ARCH_WANT_FRAME_POINTERS
  xtensa: report trax and perf counters in cpuinfo
  xtensa: add asm-prototypes.h
  xtensa: only build __strncpy_user with CONFIG_ARCH_HAS_STRNCPY_FROM_USER
  xtensa: drop bcopy implementation
  xtensa: drop EXPORT_SYMBOL for common_exception_return
  xtensa: boot-redboot: clean up Makefile
  xtensa: clean up default platform functions
  xtensa: drop platform_halt and platform_power_off
  xtensa: drop platform_restart
  xtensa: drop platform_heartbeat
  xtensa: xt2000: drop empty platform_init

1 files changed, 15 insertions, 14 deletions

diff --git a/arch/xtensa/kernel/platform.c b/arch/xtensa/kernel/platform.c
index ac1e0e566995..926b8bf0f14c 100644
--- a/arch/xtensa/kernel/platform.c
+++ b/arch/xtensa/kernel/platform.c
@@ -17,27 +17,28 @@
 #include <asm/platform.h>
 #include <asm/timex.h>
 
-#define _F(r,f,a,b)							\
-	r __platform_##f a b;                                   	\
-	r platform_##f a __attribute__((weak, alias("__platform_"#f)))
-
 /*
  * Default functions that are used if no platform specific function is defined.
- * (Please, refer to include/asm-xtensa/platform.h for more information)
+ * (Please, refer to arch/xtensa/include/asm/platform.h for more information)
  */
 
-_F(void, init, (bp_tag_t *first), { });
-_F(void, setup, (char** cmd), { });
-_F(void, restart, (void), { while(1); });
-_F(void, halt, (void), { while(1); });
-_F(void, power_off, (void), { while(1); });
-_F(void, idle, (void), { __asm__ __volatile__ ("waiti 0" ::: "memory"); });
-_F(void, heartbeat, (void), { });
+void __weak __init platform_init(bp_tag_t *first)
+{
+}
+
+void __weak __init platform_setup(char **cmd)
+{
+}
+
+void __weak platform_idle(void)
+{
+	__asm__ __volatile__ ("waiti 0" ::: "memory");
+}
 
 #ifdef CONFIG_XTENSA_CALIBRATE_CCOUNT
-_F(void, calibrate_ccount, (void),
+void __weak platform_calibrate_ccount(void)
 {
 	pr_err("ERROR: Cannot calibrate cpu frequency! Assuming 10MHz.\n");
 	ccount_freq = 10 * 1000000UL;
-});
+}
 #endif