mirror of https://github.com/Desuuuu/klipper.git
armcm_boot: Use armcm_main() instead of main() to start board code
The main() function has a special meaning to gcc and using it can result in different code generation. Use armcm_main() to avoid that. Also, invoke SystemInit() from the board specific armcm_main() code. This gives the board code more control over board initialization. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
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@ -4,6 +4,7 @@
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//
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// This file may be distributed under the terms of the GNU GPLv3 license.
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#include "board/armcm_boot.h" // armcm_main
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#include "board/irq.h" // irq_disable
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#include "board/usb_cdc.h" // usb_request_bootloader
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#include "command.h" // DECL_COMMAND_FLAGS
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@ -110,11 +111,11 @@ matrix_init(void)
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| MATRIX_SCFG_DEFMSTR_TYPE(1));
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}
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// Main entry point
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int
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main(void)
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// Main entry point - called from armcm_boot.c:ResetHandler()
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void
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armcm_main(void)
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{
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SystemInit();
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matrix_init();
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sched_main();
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return 0;
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}
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@ -4,12 +4,14 @@
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//
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// This file may be distributed under the terms of the GNU GPLv3 license.
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#include "board/armcm_boot.h" // armcm_main
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#include "internal.h" // SystemInit
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#include "sched.h" // sched_main
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// Main entry point
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int
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main(void)
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// Main entry point - called from armcm_boot.c:ResetHandler()
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void
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armcm_main(void)
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{
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SystemInit();
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sched_main();
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return 0;
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}
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@ -6,8 +6,8 @@
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#include "armcm_boot.h" // DECL_ARMCM_IRQ
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#include "autoconf.h" // CONFIG_MCU
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#include "board/internal.h" // SystemInit
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#include "command.h" // DECL_CONSTANT_STR
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#include "misc.h" // dynmem_start
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// Export MCU type
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DECL_CONSTANT_STR("MCU", CONFIG_MCU);
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@ -37,14 +37,10 @@ ResetHandler(void)
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// Initializing the C library isn't needed...
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//__libc_init_array();
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// Initialize the machine
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SystemInit();
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// Run the main board specific code
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armcm_main();
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// Run the main code
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extern int main(void);
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main();
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// The main() call should not return
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// The armcm_main() call should not return
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for (;;)
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;
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}
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@ -3,6 +3,8 @@
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#include "ctr.h" // DECL_CTR_INT
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void armcm_main(void);
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// Declare an IRQ handler
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#define DECL_ARMCM_IRQ(FUNC, NUM) \
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DECL_CTR_INT("DECL_ARMCM_IRQ " __stringify(FUNC), 1, CTR_INT(NUM))
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@ -4,6 +4,7 @@
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//
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// This file may be distributed under the terms of the GNU GPLv3 license.
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#include "board/armcm_boot.h" // armcm_main
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#include "internal.h" // enable_pclock
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#include "sched.h" // sched_main
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@ -56,10 +57,10 @@ enable_pclock(uint32_t pclk)
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}
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}
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// Main entry point
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int
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main(void)
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// Main entry point - called from armcm_boot.c:ResetHandler()
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void
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armcm_main(void)
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{
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SystemInit();
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sched_main();
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return 0;
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}
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@ -4,15 +4,15 @@
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//
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// This file may be distributed under the terms of the GNU GPLv3 license.
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#include "board/armcm_boot.h" // armcm_main
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#include "internal.h" // clock_setup
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#include "sched.h" // sched_main
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// Main entry point
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int
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main(void)
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// Main entry point - called from armcm_boot.c:ResetHandler()
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void
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armcm_main(void)
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{
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SystemInit();
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clock_setup();
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sched_main();
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return 0;
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}
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