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ppc: Define SETFIELD for the ppc target

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It keeps repeating, move it to the header. This uses __builtin_ffsll() to
allow using the macros in #define.

This is not using the QEMU's FIELD macros as this would require changing
all such macros found in skiboot (the PPC PowerNV firmware).

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20220628080544.1509428-1-aik@ozlabs.ru>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
This commit is contained in:
Alexey Kardashevskiy 2022-06-28 18:05:44 +10:00 • committed by Daniel Henrique Barboza
parent b7d30fae5b
commit 95444afcab
5 changed files with 12 additions and 72 deletions
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16
hw/pci-host/pnv_phb4.c
View file

@ -31,22 +31,6 @@
qemu_log_mask(LOG_GUEST_ERROR, "phb4_pec[%d:%d]: " fmt "\n", \
(pec)->chip_id, (pec)->index, ## __VA_ARGS__)
/*
* QEMU version of the GETFIELD/SETFIELD macros
*
* These are common with the PnvXive model.
*/
static inline uint64_t GETFIELD(uint64_t mask, uint64_t word)
{
return (word & mask) >> ctz64(mask);
}
static inline uint64_t SETFIELD(uint64_t mask, uint64_t word,
uint64_t value)
{
return (word & ~mask) | ((value << ctz64(mask)) & mask);
}
static PCIDevice *pnv_phb4_find_cfg_dev(PnvPHB4 *phb)
{
PCIHostState *pci = PCI_HOST_BRIDGE(phb);