diff options
| author | Alexey Kardashevskiy <aik@ozlabs.ru> | 2013-09-27 18:10:18 +1000 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2013-10-25 23:25:46 +0200 |
| commit | 4fe822e075d6befa3714f7066158678e92cedb8b (patch) | |
| tree | 43e4e4b3cf9d39a654ec68d04cf0a8357045bba4 /include/hw/ppc | |
| parent | dcb861cb883e9e6d236514a4d0b4def4db736d13 (diff) | |
spapr-rtas: fix h_rtas parameters reading
On the real hardware, RTAS is called in real mode and therefore
top 4 bits of the address passed in the call are ignored.
So does the patch.
This converts h_rtas() to use existing rtas_ld() handlers.
This fixed rtas_ld()/rtas_st() to ignore top 4 bits.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'include/hw/ppc')
| -rw-r--r-- | include/hw/ppc/spapr.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h index e37b41983c..6407c8a467 100644 --- a/include/hw/ppc/spapr.h +++ b/include/hw/ppc/spapr.h @@ -332,14 +332,19 @@ static inline int spapr_allocate_lsi(int hint) return spapr_allocate_irq(hint, true); } +static inline uint64_t ppc64_phys_to_real(uint64_t addr) +{ + return addr & ~0xF000000000000000ULL; +} + static inline uint32_t rtas_ld(target_ulong phys, int n) { - return ldl_be_phys(phys + 4*n); + return ldl_be_phys(ppc64_phys_to_real(phys + 4*n)); } static inline void rtas_st(target_ulong phys, int n, uint32_t val) { - stl_be_phys(phys + 4*n, val); + stl_be_phys(ppc64_phys_to_real(phys + 4*n), val); } typedef void (*spapr_rtas_fn)(PowerPCCPU *cpu, sPAPREnvironment *spapr, |