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| author | Alexey Kardashevskiy <aik@ozlabs.ru> | 2013-12-23 13:42:22 +1100 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2014-03-05 03:06:27 +0100 |
| commit | 4e38181979ec4bc80c75f0c181f9df2d4e933c13 (patch) | |
| tree | 491983494d31c609dfc6b9ce79cddb3996a058b1 | |
| parent | 3052f0d59426a1f8120ffbf66fd438973bfd2912 (diff) | |
| download | hqemu-4e38181979ec4bc80c75f0c181f9df2d4e933c13.zip hqemu-4e38181979ec4bc80c75f0c181f9df2d4e933c13.tar.gz | |
target-ppc: disable unsupported modes for SPR_CTRL/SPR_UCTRL
The Figure 17 "SPR encodings" of the PowerISA 2.07 describes CTRL SPR as:
priviledged
# spr5-9 spr0-4 name mtspr mfspr len cat
136 00100 01000 CTRL - no 32 S
152 00100 11000 CTRL yes - 32 S
According to this chart, the hypervisor's CTRL (#152) does not support
reading, the user-space's CTRL (UCTRL, #136) does not support writing.
This replaces unsupported operations with the default SPR_NOACCESS hook.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
| -rw-r--r-- | target-ppc/translate_init.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c index d751fc3..02f5867 100644 --- a/target-ppc/translate_init.c +++ b/target-ppc/translate_init.c @@ -6739,11 +6739,11 @@ static void init_proc_970FX (CPUPPCState *env) 0x00000000); spr_register(env, SPR_CTRL, "SPR_CTRL", SPR_NOACCESS, SPR_NOACCESS, - &spr_read_generic, &spr_write_generic, + SPR_NOACCESS, &spr_write_generic, 0x00000000); spr_register(env, SPR_UCTRL, "SPR_UCTRL", SPR_NOACCESS, SPR_NOACCESS, - &spr_read_generic, &spr_write_generic, + &spr_read_generic, SPR_NOACCESS, 0x00000000); spr_register(env, SPR_VRSAVE, "SPR_VRSAVE", &spr_read_generic, &spr_write_generic, @@ -6909,11 +6909,11 @@ static void init_proc_power5plus(CPUPPCState *env) 0x00000000); spr_register(env, SPR_CTRL, "SPR_CTRL", SPR_NOACCESS, SPR_NOACCESS, - &spr_read_generic, &spr_write_generic, + SPR_NOACCESS, &spr_write_generic, 0x00000000); spr_register(env, SPR_UCTRL, "SPR_UCTRL", SPR_NOACCESS, SPR_NOACCESS, - &spr_read_generic, &spr_write_generic, + &spr_read_generic, SPR_NOACCESS, 0x00000000); spr_register(env, SPR_VRSAVE, "SPR_VRSAVE", &spr_read_generic, &spr_write_generic, @@ -7014,11 +7014,11 @@ static void init_proc_POWER7 (CPUPPCState *env) /* XXX : not implemented */ spr_register(env, SPR_CTRL, "SPR_CTRLT", SPR_NOACCESS, SPR_NOACCESS, - &spr_read_generic, &spr_write_generic, + SPR_NOACCESS, &spr_write_generic, 0x80800000); spr_register(env, SPR_UCTRL, "SPR_CTRLF", SPR_NOACCESS, SPR_NOACCESS, - &spr_read_generic, &spr_write_generic, + &spr_read_generic, SPR_NOACCESS, 0x80800000); spr_register(env, SPR_VRSAVE, "SPR_VRSAVE", &spr_read_generic, &spr_write_generic, |
