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prep: add PReP System I/O

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This device is a partial duplicate of System I/O device available in hw/ppc/prep.c
This new one doesn't have all the Motorola-specific registers.
The old one should be deprecated and removed with the 'prep' machine.

Partial documentation available at
ftp://ftp.software.ibm.com/rs6000/technology/spec/srp1_1.exe
section 6.1.5 (I/O Device Mapping)

Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Hervé Poussineau 2017-01-07 16:23:41 +01:00 • committed by David Gibson
parent 3398b7428b
commit d2f8415226
3 changed files with 308 additions and 0 deletions
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4
hw/ppc/trace-events
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@ -74,3 +74,7 @@ ppc_tb_adjust(uint64_t offs1, uint64_t offs2, int64_t diff, int64_t seconds) "ad
# hw/ppc/prep.c
prep_io_800_writeb(uint32_t addr, uint32_t val) "0x%08" PRIx32 " => 0x%02" PRIx32
prep_io_800_readb(uint32_t addr, uint32_t retval) "0x%08" PRIx32 " <= 0x%02" PRIx32
# hw/ppc/prep_systemio.c
prep_systemio_read(uint32_t addr, uint32_t val) "read addr=%x val=%x"
prep_systemio_write(uint32_t addr, uint32_t val) "write addr=%x val=%x"