diff options
Diffstat (limited to 'libgloss/m68k/cf-crt0.S')
| -rw-r--r-- | libgloss/m68k/cf-crt0.S | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/libgloss/m68k/cf-crt0.S b/libgloss/m68k/cf-crt0.S index 9a73ce19c..51a6aa700 100644 --- a/libgloss/m68k/cf-crt0.S +++ b/libgloss/m68k/cf-crt0.S @@ -29,17 +29,14 @@ __start: #if HOSTED /* INIT_SIM syscall. Allows changing sp & d1. */ move.l IMM(1),d0 - .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 #endif move.l d1,sp@- |