Message ID | b6d3df1d58146c11a4cda9a002f99d224813b2f6.1407873114.git.atar4qemu@gmail.com |
---|---|
State | New |
Headers | show |
On 08/12/2014 10:02 AM, Artyom Tarasenko wrote: > Implement Short Floating-Point Store Instructions as described > in the chapter 13.5.2 of UltraSPARC-IIi User's Manual. > > Particularly this instructions are used by NetBSD 4.0.1+ /sparc64 > > Signed-off-by: Artyom Tarasenko <atar4qemu@gmail.com> > Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> > --- > With this patch applied on top of cmd646 patches it's possible to install > and boot NetBSD 6.1.4 /sparc64. > > Changes from v0: corrected the comment messages, it's store, not load. Reviewed-by: Richard Henderson <rth@twiddle.net> r~
On 13/08/14 17:38, Richard Henderson wrote: > On 08/12/2014 10:02 AM, Artyom Tarasenko wrote: >> Implement Short Floating-Point Store Instructions as described >> in the chapter 13.5.2 of UltraSPARC-IIi User's Manual. >> >> Particularly this instructions are used by NetBSD 4.0.1+ /sparc64 >> >> Signed-off-by: Artyom Tarasenko <atar4qemu@gmail.com> >> Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> >> --- >> With this patch applied on top of cmd646 patches it's possible to install >> and boot NetBSD 6.1.4 /sparc64. >> >> Changes from v0: corrected the comment messages, it's store, not load. > > Reviewed-by: Richard Henderson <rth@twiddle.net> Thanks! I've applied this to my qemu-sparc with a minor spacing tweak. ATB, Mark.
diff --git a/target-sparc/ldst_helper.c b/target-sparc/ldst_helper.c index 03bd9f9..736d953 100644 --- a/target-sparc/ldst_helper.c +++ b/target-sparc/ldst_helper.c @@ -2154,7 +2154,6 @@ void helper_stf_asi(CPUSPARCState *env, target_ulong addr, int asi, int size, unsigned int i; target_ulong val; - helper_check_align(env, addr, 3); addr = asi_address_mask(env, asi, addr); switch (asi) { @@ -2192,7 +2191,21 @@ void helper_stf_asi(CPUSPARCState *env, target_ulong addr, int asi, int size, } return; + case 0xd2: /* 16-bit floating point store primary */ + case 0xd3: /* 16-bit floating point store secondary */ + case 0xda: /* 16-bit floating point store primary, LE */ + case 0xdb: /* 16-bit floating point store secondary, LE */ + helper_check_align(env, addr, 1); + /* Fall through */ + case 0xd0: /* 8-bit floating point store primary */ + case 0xd1: /* 8-bit floating point store secondary */ + case 0xd8: /* 8-bit floating point store primary, LE */ + case 0xd9: /* 8-bit floating point store secondary, LE */ + val = env->fpr[rd/2].l.lower; + helper_st_asi(env, addr, val, asi & 0x8d, ((asi & 2) >> 1) + 1); + return; default: + helper_check_align(env, addr, 3); break; }