diff options
| author | aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162> | 2009-03-09 06:27:14 +0000 |
|---|---|---|
| committer | aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162> | 2009-03-09 06:27:14 +0000 |
| commit | d34defbc216cb3ebb2faa73df32841faf1bf45ca (patch) | |
| tree | 337da29661ffca8cc5ce675f48335b85673b7174 | |
| parent | 2fbc40957147e7f66d067d5298a4e940dd153f93 (diff) | |
target-ppc: add support for reading/writing spefscr
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6789 c046a42c-6fe2-441c-8c8c-71466251a162
| -rw-r--r-- | target-ppc/translate_init.c | 31 |
1 files changed, 23 insertions, 8 deletions
diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c index d02a0dd50e..40e652732a 100644 --- a/target-ppc/translate_init.c +++ b/target-ppc/translate_init.c @@ -448,6 +448,23 @@ static void spr_write_pir (void *opaque, int sprn, int gprn) } #endif +/* SPE specific registers */ +static void spr_read_spefscr (void *opaque, int gprn, int sprn) +{ + TCGv_i32 t0 = tcg_temp_new_i32(); + tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, spe_fscr)); + tcg_gen_extu_i32_tl(cpu_gpr[gprn], t0); + tcg_temp_free_i32(t0); +} + +static void spr_write_spefscr (void *opaque, int sprn, int gprn) +{ + TCGv_i32 t0 = tcg_temp_new_i32(); + tcg_gen_trunc_tl_i32(t0, cpu_gpr[gprn]); + tcg_gen_st_tl(t0, cpu_env, offsetof(CPUState, spe_fscr)); + tcg_temp_free_i32(t0); +} + #if !defined(CONFIG_USER_ONLY) /* Callback used to write the exception vector base */ static void spr_write_excp_prefix (void *opaque, int sprn, int gprn) @@ -2565,7 +2582,6 @@ static void gen_spr_8xx (CPUPPCState *env) * HSRR1 => SPR 315 (Power 2.04 hypv) * LPCR => SPR 316 (970) * LPIDR => SPR 317 (970) - * SPEFSCR => SPR 512 (Power 2.04 emb) * EPR => SPR 702 (Power 2.04 emb) * perf => 768-783 (Power 2.04) * perf => 784-799 (Power 2.04) @@ -4021,8 +4037,8 @@ static void init_proc_e200 (CPUPPCState *env) gen_spr_BookE(env, 0x000000070000FFFFULL); /* XXX : not implemented */ spr_register(env, SPR_BOOKE_SPEFSCR, "SPEFSCR", - SPR_NOACCESS, SPR_NOACCESS, - &spr_read_generic, &spr_write_generic, + &spr_read_spefscr, &spr_write_spefscr, + &spr_read_spefscr, &spr_write_spefscr, 0x00000000); /* Memory management */ gen_spr_BookE_FSL(env, 0x0000005D); @@ -4210,8 +4226,8 @@ static void init_proc_e500 (CPUPPCState *env) 0x00000000); /* XXX : not implemented */ spr_register(env, SPR_BOOKE_SPEFSCR, "SPEFSCR", - SPR_NOACCESS, SPR_NOACCESS, - &spr_read_generic, &spr_write_generic, + &spr_read_spefscr, &spr_write_spefscr, + &spr_read_spefscr, &spr_write_spefscr, 0x00000000); /* Memory management */ #if !defined(CONFIG_USER_ONLY) @@ -9428,8 +9444,7 @@ static int gdb_get_spe_reg(CPUState *env, uint8_t *mem_buf, int n) return 8; } if (n == 33) { - /* SPEFSCR not implemented */ - memset(mem_buf, 0, 4); + stl_p(mem_buf, env->spe_fscr); return 4; } return 0; @@ -9452,7 +9467,7 @@ static int gdb_set_spe_reg(CPUState *env, uint8_t *mem_buf, int n) return 8; } if (n == 33) { - /* SPEFSCR not implemented */ + env->spe_fscr = ldl_p(mem_buf); return 4; } return 0; |