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- |*****************************************************************************
- |
- | NAME
- |
- | __AROS_LH0(void, CacheClearU,
- |
- | LOCATION
- | struct ExecBase *, SysBase, 106, Exec)
- |
- | FUNCTION
- | Flushes the contents of all CPU chaches in a simple way.
- |
- | INPUTS
- |
- | RESULT
- |
- | NOTES
- |
- | EXAMPLE
- |
- | BUGS
- |
- | SEE ALSO
- |
- | INTERNALS
- |
- | HISTORY
- |
- |******************************************************************************
-
- Supervisor = -0x1e
-
- | Simple 68000s have no chaches
- .globl _Exec_CacheClearU
- _Exec_CacheClearU:
- rts
-
- | Is this the same routine for 20?
- .globl _Exec_CacheClearU_30
- _Exec_CacheClearU_30:
- | Do the real work in supervisor mode
- | Preserve a5 in a1 (faster than stack space)
- movel a5,a1
- leal cacheclearusup,a5
- jsr a6@(Supervisor)
- movel a1,a5
- rts
-
- cacheclearusup:
- | Set CD and CI bit in cacr
- movec cacr,d0
- orw #0x0808,d0
- movec d0,cacr
- rte
-
-