diff options
Diffstat (limited to 'target-ppc/op_helper.c')
| -rw-r--r-- | target-ppc/op_helper.c | 42 |
1 files changed, 40 insertions, 2 deletions
diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c index 4796e60859..6f6f1ec23d 100644 --- a/target-ppc/op_helper.c +++ b/target-ppc/op_helper.c @@ -56,7 +56,6 @@ void helper_raise_debug (void) raise_exception(env, EXCP_DEBUG); } - /*****************************************************************************/ /* Registers load and stores */ target_ulong helper_load_cr (void) @@ -171,6 +170,46 @@ void helper_stmw (target_ulong addr, uint32_t reg) } } +static void do_dcbz(target_ulong addr, int dcache_line_size) +{ + target_long mask = get_addr(~(dcache_line_size - 1)); + int i; +#ifdef CONFIG_USER_ONLY +#define stfun stl_raw +#else + void (*stfun)(target_ulong, int); + + switch (env->mmu_idx) { + default: + case 0: stfun = stl_user; + break; + case 1: stfun = stl_kernel; + break; + case 2: stfun = stl_hypv; + break; + } +#endif + addr &= mask; + for (i = 0 ; i < dcache_line_size ; i += 4) { + stfun(addr + i , 0); + } + if ((env->reserve & mask) == addr) + env->reserve = (target_ulong)-1ULL; +} + +void helper_dcbz(target_ulong addr) +{ + do_dcbz(addr, env->dcache_line_size); +} + +void helper_dcbz_970(target_ulong addr) +{ + if (((env->spr[SPR_970_HID5] >> 7) & 0x3) == 1) + do_dcbz(addr, 32); + else + do_dcbz(addr, env->dcache_line_size); +} + /*****************************************************************************/ /* Fixed point operations helpers */ #if defined(TARGET_PPC64) @@ -1219,7 +1258,6 @@ uint64_t helper_fnmsub (uint64_t arg1, uint64_t arg2, uint64_t arg3) return farg1.ll; } - /* frsp - frsp. */ uint64_t helper_frsp (uint64_t arg) { |