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| author | Jeff Johnston <jjohnstn@redhat.com> | 2007-01-03 16:47:53 +0000 |
|---|---|---|
| committer | Jeff Johnston <jjohnstn@redhat.com> | 2007-01-03 16:47:53 +0000 |
| commit | 35b4db0f3040b76139e03af1e888cb7d04f197cf (patch) | |
| tree | a9027cbf8d69cbbf7a8724d5fab0cfe888866f0b /libgloss/m68k | |
| parent | 960725d6ed89259633f2fcecd0c8f01d579a5bd4 (diff) | |
| download | newlib-35b4db0f3040b76139e03af1e888cb7d04f197cf.zip newlib-35b4db0f3040b76139e03af1e888cb7d04f197cf.tar.gz newlib-35b4db0f3040b76139e03af1e888cb7d04f197cf.tar.bz2 | |
2007-01-03 Kazu Hirata <kazu@codesourcery.com>
Merge from newlib-csl-20060320-branch:
2006-12-22 Nathan Sidwell <nathan@codesourcery.com>
* m68k/cf-crt0.S (__start): Adjust semihosting.
Diffstat (limited to 'libgloss/m68k')
| -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 9a73ce1..51a6aa7 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@- |