diff options
| author | Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> | 2022-05-04 10:25:53 +0100 |
|---|---|---|
| committer | Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> | 2022-05-08 18:52:37 +0100 |
| commit | 28f5332ae9283fa76f736e9011ae647799b9cdc0 (patch) | |
| tree | 30beb3a4ec160c4707834d610f3852706bbca05b /hw/hppa/machine.c | |
| parent | 45f569a11666051f98edc678616d135c9feaf506 (diff) | |
hppa: move hppa_pci_ignore_ops from pci.c to machine.c
The memory region only has one user which is for ensuring accesses to the ISA
bus memory do not fault.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Helge Deller <deller@gmx.de>
Message-Id: <20220504092600.10048-44-mark.cave-ayland@ilande.co.uk>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Diffstat (limited to 'hw/hppa/machine.c')
| -rw-r--r-- | hw/hppa/machine.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/hw/hppa/machine.c b/hw/hppa/machine.c index f3d72b4c35..ca595d343e 100644 --- a/hw/hppa/machine.c +++ b/hw/hppa/machine.c @@ -57,6 +57,29 @@ static Notifier hppa_system_powerdown_notifier = { .notify = hppa_powerdown_req }; +/* Fallback for unassigned PCI I/O operations. Avoids MCHK. */ +static uint64_t ignore_read(void *opaque, hwaddr addr, unsigned size) +{ + return 0; +} + +static void ignore_write(void *opaque, hwaddr addr, uint64_t v, unsigned size) +{ +} + +static const MemoryRegionOps hppa_pci_ignore_ops = { + .read = ignore_read, + .write = ignore_write, + .endianness = DEVICE_BIG_ENDIAN, + .valid = { + .min_access_size = 1, + .max_access_size = 8, + }, + .impl = { + .min_access_size = 1, + .max_access_size = 8, + }, +}; static ISABus *hppa_isa_bus(void) { |