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hw/pci-host/pam: Replace magic number by PAM_REGIONS_COUNT definition

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While this change helps triskaidekaphobic developers, it
is a good practice to avoid magic values and using constant
definitions instead.

Introduce the PAM_REGIONS_COUNT and use it. No logical change.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Julia Suvorova <jusual@redhat.com>
Message-Id: <20201202132038.1276404-1-philmd@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Philippe Mathieu-Daudé 2020-12-02 14:20:38 +01:00 • committed by Laurent Vivier
parent 01d152c0bf
commit f6a3c86ebd
5 changed files with 6 additions and 4 deletions
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2
hw/pci-host/pam.c
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@ -62,7 +62,7 @@ void init_pam(DeviceState *dev, MemoryRegion *ram_memory,
void pam_update(PAMMemoryRegion *pam, int idx, uint8_t val)
{
assert(0 <= idx && idx <= 12);
assert(0 <= idx && idx < PAM_REGIONS_COUNT);
memory_region_set_enabled(&pam->alias[pam->current], false);
pam->current = (val >> ((!(idx & 1)) * 4)) & PAM_ATTR_MASK;