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sPAPR: Introduce rtas_ldq()

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This introduces rtas_ldq() to load 64-bits parameter from continuous
two 4-bytes memory chunk of RTAS parameter buffer, to simplify the
code.

Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Gavin Shan 2015-09-01 11:05:12 +10:00 • committed by David Gibson
parent e6fc9568c8
commit a14aa92b20
2 changed files with 15 additions and 10 deletions
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5
include/hw/ppc/spapr.h
View file

@ -489,6 +489,11 @@ static inline uint32_t rtas_ld(target_ulong phys, int n)
return ldl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4*n));
}
static inline uint64_t rtas_ldq(target_ulong phys, int n)
{
return (uint64_t)rtas_ld(phys, n) << 32 | rtas_ld(phys, n + 1);
}
static inline void rtas_st(target_ulong phys, int n, uint32_t val)
{
stl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4*n), val);