68000: Switch to gnu-linux from atari-mint compiler

diff --git a/Kernel/cpu-68000/rules.mk b/Kernel/cpu-68000/rules.mk
index 842ab10..6f0af61 100644 (file)
--- a/Kernel/cpu-68000/rules.mk
+++ b/Kernel/cpu-68000/rules.mk
@@ -1,5 +1,5 @@
-export CROSS_LD=m68k-atari-mint-ld
-export CROSS_CC = m68k-atari-mint-gcc
+export CROSS_LD=m68k-linux-gnu-ld
+export CROSS_CC = m68k-linux-gnu-gcc
 export CROSS_CCOPTS=-c -fno-builtin -Wall -Os -m68000 -mshort -I$(ROOT_DIR)/cpu-68000 -I$(ROOT_DIR)/platform-$(TARGET) -I$(ROOT_DIR)/include
 export CROSS_AS=$(CROSS_CC) $(CROSS_CCOPTS) #-Wa,-M
 export CROSS_CC_SEG1=

diff --git a/Kernel/lowlevel-68000.S b/Kernel/lowlevel-68000.S
index 1ccc116..5f9465d 100644 (file)
--- a/Kernel/lowlevel-68000.S
+++ b/Kernel/lowlevel-68000.S
@@ -4,15 +4,15 @@
 #include "kernel-68000.def"
 
 .mri 0
-               .globl _di,_ei,_irqrestore
-               .globl _doexec
-               .globl _get_usp, _set_usp
+               .globl di,ei,irqrestore
+               .globl doexec
+               .globl get_usp, set_usp
                .globl outstring,outstringhex,outcharhex,outa0hex
 .mri 1
-_get_usp:      move.l  usp,a0
+get_usp:       move.l  usp,a0
                rts
 
-_set_usp:      move.l 4(sp),a0
+set_usp:       move.l 4(sp),a0
                move.l a0,usp
                rts
 
@@ -20,24 +20,24 @@ _set_usp:   move.l 4(sp),a0
  *     We don't currently have any fine grained IRQ control. We need to fix
  *     that!
  */
-_di:
+di:
                move.w sr,d0
                and.w #$0700,d0
                or.w #$0700,sr
                rts
 
-_ei:
+ei:
                and.w #$F8FF,sr
                rts
 
-_irqrestore:
+irqrestore:
                move.w sr,d0
                and.w #$F8FF,d0
                or.w 4(sp),d0
                move.w d0,sr
                rts
 
-_doexec:
+doexec:
                ;
                ;       FIXME: we need to reset sp (we effectively longjmp
                ;       in supervisor space), then push the values. If we
@@ -94,7 +94,7 @@ trap14:               movem.l a2-a6/d2-d7,-(sp)
                move.b d0,kernel_flag
                ; FIXME: EI per platform really
                and.w #$F8FF,sr
-               bsr _unix_syscall
+               bsr unix_syscall
                ; FIXME: signal handling in the C code or not ?
                or.w #$0700,sr
                move.w U_DATA__U_ERROR,d1
@@ -129,38 +129,38 @@ struninitialized:
 ; is a bit saner than 8bit.
 ;
 #if 0
-_intvector1:   movem.l a0-a6/d0-d7,-(sp)
-               bsr _interrupt1
+intvector1:    movem.l a0-a6/d0-d7,-(sp)
+               bsr interrupt1
                movem.l (sp)+,a0-a6/d0-d7
                rte
 
-_intvector2:   movem.l a0-a6/d0-d7,-(sp)
-               bsr _interrupt3
+intvector2:    movem.l a0-a6/d0-d7,-(sp)
+               bsr interrupt3
                movem.l (sp)+,a0-a6/d0-d7
                rte
 
-_intvector3:   movem.l a0-a6/d0-d7,-(sp)
-               bsr _interrupt3
+intvector3:    movem.l a0-a6/d0-d7,-(sp)
+               bsr interrupt3
                movem.l (sp)+,a0-a6/d0-d7
                rte
 
-_intvector4:   movem.l a0-a6/d0-d7,-(sp)
-               bsr _interrupt4
+intvector4:    movem.l a0-a6/d0-d7,-(sp)
+               bsr interrupt4
                movem.l (sp)+,a0-a6/d0-d7
                rte
 
-_intvector5:   movem.l a0-a6/d0-d7,-(sp)
-               bsr _interrupt5
+intvector5:    movem.l a0-a6/d0-d7,-(sp)
+               bsr interrupt5
                movem.l (sp)+,a0-a6/d0-d7
                rte
 
-_intvector6:   movem.l a0-a6/d0-d7,-(sp)
-               bsr _interrupt6
+intvector6:    movem.l a0-a6/d0-d7,-(sp)
+               bsr interrupt6
                movem.l (sp)+,a0-a6/d0-d7
                rte
 
-_intvector7:   movem.l a0-a6/d0-d7,-(sp)
-               bsr _interrupt7
+intvector7:    movem.l a0-a6/d0-d7,-(sp)
+               bsr interrupt7
                movem.l (sp)+,a0-a6/d0-d7
                rte
 #endif
@@ -172,7 +172,7 @@ sig_or_die:
                lea panic_sig,a0
                bsr outstring
                lea panic_sig2,a0
-               bsr _panic                      ; won't return
+               bsr panic                       ; won't return
 panic_sig:     ascii ": signal in kernel mode."
                byte 13,10
 panic_sig2:    asciz ": ksig"
@@ -180,7 +180,7 @@ panic_sig2: asciz ": ksig"
 
 sig_user:      movem.l a0-a6/d0-d7,-(sp)
                move.l (U_DATA__U_PTAB),-(sp)
-               bsr _ssig
+               bsr ssig
                adda #4,sp
                ; Do signal processing bit here if we return
                movem.l (sp)+,a0-a6/d0-d7