diff options
Diffstat (limited to 'libgloss/m68k/cf-hosted.S')
| -rw-r--r-- | libgloss/m68k/cf-hosted.S | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/libgloss/m68k/cf-hosted.S b/libgloss/m68k/cf-hosted.S index 9cf88209c..ed8e8917f 100644 --- a/libgloss/m68k/cf-hosted.S +++ b/libgloss/m68k/cf-hosted.S @@ -22,17 +22,15 @@ __hosted: linkw %fp,#0 movel %fp@(8),%d0 movel %fp@(12),%d1 - .align 4 - /* The halt sequence must be 'nop; halt' and aligned to a 4 byte - boundary. */ + /* The semihosting sequence is 'nop; halt;sentinel' aligned to + a 4 byte boundary. The sentinel is an ill formed instruction + (movec %sp,0). The debugger will adjust the pc, so it is never + executed. */ + .balignw 4,0x4e71 nop halt - - /* This sentinel instruction value must be immediately after - the halt instruction. The debugger will adjust the pc, so - that it is never executed. This instruction is - 'movec %sp,0'. */ .long 0x4e7bf000 + unlk %fp rts |