fix main return type
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parent
b75c11b20e
commit
8a7eb80e47
2 changed files with 7 additions and 4 deletions
2
Makefile
2
Makefile
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@ -48,7 +48,7 @@ kernel : $(OBJS) bootother.S user1 usertests userfs
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$(LD) -N -e start -Ttext 0x7000 -o bootother.out bootother.o
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$(LD) -N -e start -Ttext 0x7000 -o bootother.out bootother.o
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$(OBJCOPY) -S -O binary bootother.out bootother
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$(OBJCOPY) -S -O binary bootother.out bootother
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$(OBJDUMP) -S bootother.o > bootother.asm
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$(OBJDUMP) -S bootother.o > bootother.asm
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$(LD) -Ttext 0x100000 -e main -o kernel $(OBJS) -b binary bootother user1 usertests userfs
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$(LD) -Ttext 0x100000 -e main0 -o kernel $(OBJS) -b binary bootother user1 usertests userfs
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$(OBJDUMP) -S kernel > kernel.asm
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$(OBJDUMP) -S kernel > kernel.asm
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vectors.S : vectors.pl
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vectors.S : vectors.pl
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9
main.c
9
main.c
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@ -18,8 +18,11 @@ extern uint8_t _binary_userfs_start[], _binary_userfs_size[];
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extern int use_console_lock;
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extern int use_console_lock;
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// CPU 0 starts running C code here.
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// CPU 0 starts running C code here.
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int
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// This is called main0 not main so that it can have
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main()
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// a void return type. Gcc can't handle functions named
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// main that don't return int. Really.
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void
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main0(void)
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{
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{
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int i;
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int i;
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struct proc *p;
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struct proc *p;
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@ -89,7 +92,7 @@ main()
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}
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}
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// Additional processors start here.
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// Additional processors start here.
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int
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void
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mpmain(void)
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mpmain(void)
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{
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{
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cprintf("an application processor\n");
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cprintf("an application processor\n");
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