vxkernel - v0.6.0-28 : update vxSDK integration + "on-the-fly" kernel sources fix

*update*
> [boards]
  | [fxcg50] update board-specific header path
> [scripts/core]
  | [cmake] proper support toolchain indication (vxSDK integration)
> [vxsdk.toml]
  | disable verbose per default
  | update exported flags (WIP)
  | update linker script dependency for fxcg50 (WIP)

*fix*
> [kernel/src]
  | missing return values
> [vxsdk.toml]
  | force expose libmath for SDL2
  | fix ENV variable name for linker script

CMakeLists.txt

@@ -76,7 +76,7 @@ endforeach()
 file(GLOB dir_src kernel/src/*.c kernel/src/*.S kernel/src/*.s)
 list(APPEND VXKERNEL_SRC_TARGETS ${dir_src})
 
-list(APPEND VXKERNEL_INC_TARGETS kernel/include)
+list(APPEND VXKERNEL_INC_TARGETS kernel/include ./)
 if(EXISTS ${board_prefix}/include)
     list(APPEND VXKERNEL_INC_TARGETS ${board_prefix}/include)
 endif()

boards/fxcg50/src/hardware.c

@@ -3,7 +3,7 @@
 //---
 #include "vhex/driver/mpu/sh/sh7305/pfc.h"
 #include "vhex/driver/mmu.h"
-#include "board/fxcg50/hardware.h"
+#include "boards/fxcg50/include/hardware.h"
 #include "vhex/hardware.h"
 
 

kernel/src/drivers/mpu/sh/sh7305/dma/dma.c

@@ -129,6 +129,7 @@ static sh7305_dma_channel_t *sh7305_dma_channel_reserve(void)
 	return ch;
 }
 
+#if 0
 /* sh7305_dma_channel_release() : release DMA channel */
 static int sh7305_dma_channel_release(sh7305_dma_channel_t * ch, int atomic)
 {
@@ -138,6 +139,7 @@ static int sh7305_dma_channel_release(sh7305_dma_channel_t * ch, int atomic)
 	ch->id.INVALID = 1;
 	return 0;
 }
+#endif
 
 /* sh7305_dma_channel_find() : find a channel using the ID */
 sh7305_dma_channel_t *sh7305_dma_channel_find(sh7305_dma_id_t id)

kernel/src/drivers/mpu/sh/sh7305/intc/intc.c

@@ -145,6 +145,7 @@ void *sh7305_intc_install_inth_generic(int event_code, vhex_call_t callback)
 // hardware configuration call
 //---
 
+#if 0
 static bool __intc_hpowered(void)
 {
 	return (SH7305_POWER.MSTPCR0.INTC == 0);
@@ -161,6 +162,7 @@ static int __intc_hpoweroff(void)
 	SH7305_POWER.MSTPCR0.INTC = 1;
 	return 0;
 }
+#endif
 
 /* __intc_configure() : configure the Interrupt Controller
 

kernel/src/drivers/mpu/sh/sh7305/intc/inth_callback.S

@@ -1,6 +1,6 @@
 #define ASM_SOURCE
 #include <vhex/hardware.h>
-#include <board/fxcg50/hardware.h>
+#include "boards/fxcg50/include/hardware.h"
 .text
 
 .global	_sh7305_inth_callback

kernel/src/drivers/mpu/sh/sh7305/keysc/keycache.c

@@ -54,6 +54,7 @@ int sh7305_keycache_init(void)
 		)
 	);
 	sh7305_tmu_start(keyinfo.timer.id);
+    return 0;
 }
 
 /* sh7305_keycache_quit() : quit the keycache */
@@ -63,6 +64,7 @@ int sh7305_keycache_quit(void)
 	free(keyinfo.queue.list);
 	keyinfo.queue.idx = -1;
 	keyinfo.queue.nb_evt_max = 0;
+    return 0;
 }
 
 

kernel/src/drivers/mpu/sh/sh7305/tmu/profiling.c

@@ -131,4 +131,5 @@ int sh7305_tmu_prof_quit(timer_prof_t *prof)
 		tmu_prof_counter = 0;
 	}
 	cpu_atomic_end();
+    return 0;
 }

kernel/src/drivers/mpu/sh/sh7305/tmu/tmu.c

@@ -284,6 +284,7 @@ int sh7305_tmu_wait(tid_t id)
 		etmu_t *T = &ETMU[id-3];
 		while(T->TSTR) if(T->TCR.UNIE) cpu_sleep();
 	}
+    return 0;
 }
 
 /* sh7305_tmu_spinwait(): Start a timer and actively wait for UNF */

kernel/src/drivers/screen/R61524/r61524.c

@@ -104,8 +104,8 @@ VALIGNED(4) VWEAK int r61524_frame_frag_send(dsurface_t *surface)
 	for (int i = 0; i < size; ++i) {
 		r61524_write(yram[i]);
 	}
-	return (0);
 #endif
+	return (0);
 }
 
 VALIGNED(4) int r61524_frame_end(dsurface_t *surface)

kernel/src/modules/fs/close.c

@@ -5,6 +5,7 @@
 int close(int fd)
 {
 	(void)fd;
+    return -1;
 #if 0
 	void *data;
 

kernel/src/modules/fs/fugue/close.c

@@ -3,4 +3,5 @@
 int fugue_close(void *data)
 {
 	(void)data;
+    return -1;
 }

kernel/src/modules/fs/fugue/lseek.c

@@ -5,4 +5,5 @@ off_t fugue_lseek(void *data, off_t offset, int whence)
 	(void)data;
 	(void)offset;
 	(void)whence;
+    return -1;
 }

kernel/src/modules/fs/fugue/read.c

@@ -5,4 +5,5 @@ ssize_t fugue_write(void *data, const void *buf, size_t size)
 	(void)data;
 	(void)buf;
 	(void)size;
+    return -1;
 }

kernel/src/modules/fs/fugue/write.c

@@ -5,4 +5,5 @@ ssize_t fugue_read(void *data, void *buf, size_t size)
 	(void)data;
 	(void)buf;
 	(void)size;
+    return -1;
 }

kernel/src/modules/fs/lseek.c

@@ -7,6 +7,7 @@ off_t lseek(int fd, off_t offset, int whence)
 	(void)fd;
 	(void)offset;
 	(void)whence;
+    return -1;
 #if 0
 	void *data;
 

kernel/src/modules/fs/open.c

@@ -8,6 +8,7 @@ int open(const char *pathname, int flags, ...)
 {
 	(void)pathname;
 	(void)flags;
+    return -1;
 #if 0
 	va_list ap;
 	void *data;

scripts/core/cmake.py

@@ -18,7 +18,10 @@ __all__ = [
 
 def cmake_configure(prefix_build, prefix_src):
     """ Abstract cmake configuration """
-    shell_cmd = f"cmake -B {prefix_build} -S {prefix_src}"
+    toolchain_flag = ''
+    if toolchain_path := os.environ.get('VXSDK_HOOK_CMAKE_TOOLCHAIN'):
+        toolchain_flag = f"-DCMAKE_TOOLCHAIN_FILE={toolchain_path}"
+    shell_cmd = f"cmake {toolchain_flag} -B {prefix_build} -S {prefix_src}"
     return subprocess.run(shell_cmd.split(), check=False).returncode
 
 def cmake_build(prefix_build, verbose):

vxsdk.toml

@@ -8,7 +8,7 @@ target = [
 
 [build]
 configure = './vxdev configure'
-build     = './vxdev build --verbose'
+build     = './vxdev build'
 install   = './vxdev install'
 uninstall = './vxdev uninstall'
 
@@ -32,9 +32,14 @@ assets_prefix = [
     ]
     VXSDK_PUBLIC_BUILD_LIBS = [
         '@COMMON@',
+        '-Wl,--whole-archive',
         '-lvxkernel',
+        '-Wl,--no-whole-archive',
         '@sh-elf-vhex@'
     ]
+    VXSDK_PUBLIC_LINKER_SCRIPT = [
+        'fxcg50.ld'
+    ]
 
 [sdl2]
     [sdl2.env]
@@ -48,8 +53,9 @@ assets_prefix = [
         '-Wl,--whole-archive',
         '-lvxkernel',
         '-Wl,--no-whole-archive',
-        '-lSDL2'
+        '-lSDL2',
+        '-lm'
     ]
-    VXSDK_LINKER_SCRIPT = [
+    VXSDK_PUBLIC_LINKER_SCRIPT = [
         'sdl2.ld'
     ]