diff options
Diffstat (limited to 'target/hppa/op_helper.c')
| -rw-r--r-- | target/hppa/op_helper.c | 504 |
1 files changed, 0 insertions, 504 deletions
diff --git a/target/hppa/op_helper.c b/target/hppa/op_helper.c index fbd80e4..32c27c6 100644 --- a/target/hppa/op_helper.c +++ b/target/hppa/op_helper.c @@ -24,8 +24,6 @@ #include "exec/helper-proto.h" #include "exec/cpu_ldst.h" #include "qemu/timer.h" -#include "sysemu/runstate.h" -#include "fpu/softfloat.h" #include "trace.h" G_NORETURN void HELPER(excp)(CPUHPPAState *env, int excp) @@ -197,432 +195,6 @@ target_ureg HELPER(probe)(CPUHPPAState *env, target_ulong addr, #endif } -void HELPER(loaded_fr0)(CPUHPPAState *env) -{ - uint32_t shadow = env->fr[0] >> 32; - int rm, d; - - env->fr0_shadow = shadow; - - switch (extract32(shadow, 9, 2)) { - default: - rm = float_round_nearest_even; - break; - case 1: - rm = float_round_to_zero; - break; - case 2: - rm = float_round_up; - break; - case 3: - rm = float_round_down; - break; - } - set_float_rounding_mode(rm, &env->fp_status); - - d = extract32(shadow, 5, 1); - set_flush_to_zero(d, &env->fp_status); - set_flush_inputs_to_zero(d, &env->fp_status); -} - -void cpu_hppa_loaded_fr0(CPUHPPAState *env) -{ - helper_loaded_fr0(env); -} - -#define CONVERT_BIT(X, SRC, DST) \ - ((SRC) > (DST) \ - ? (X) / ((SRC) / (DST)) & (DST) \ - : ((X) & (SRC)) * ((DST) / (SRC))) - -static void update_fr0_op(CPUHPPAState *env, uintptr_t ra) -{ - uint32_t soft_exp = get_float_exception_flags(&env->fp_status); - uint32_t hard_exp = 0; - uint32_t shadow = env->fr0_shadow; - - if (likely(soft_exp == 0)) { - env->fr[0] = (uint64_t)shadow << 32; - return; - } - set_float_exception_flags(0, &env->fp_status); - - hard_exp |= CONVERT_BIT(soft_exp, float_flag_inexact, 1u << 0); - hard_exp |= CONVERT_BIT(soft_exp, float_flag_underflow, 1u << 1); - hard_exp |= CONVERT_BIT(soft_exp, float_flag_overflow, 1u << 2); - hard_exp |= CONVERT_BIT(soft_exp, float_flag_divbyzero, 1u << 3); - hard_exp |= CONVERT_BIT(soft_exp, float_flag_invalid, 1u << 4); - shadow |= hard_exp << (32 - 5); - env->fr0_shadow = shadow; - env->fr[0] = (uint64_t)shadow << 32; - - if (hard_exp & shadow) { - hppa_dynamic_excp(env, EXCP_ASSIST, ra); - } -} - -float32 HELPER(fsqrt_s)(CPUHPPAState *env, float32 arg) -{ - float32 ret = float32_sqrt(arg, &env->fp_status); - update_fr0_op(env, GETPC()); - return ret; -} - -float32 HELPER(frnd_s)(CPUHPPAState *env, float32 arg) -{ - float32 ret = float32_round_to_int(arg, &env->fp_status); - update_fr0_op(env, GETPC()); - return ret; -} - -float32 HELPER(fadd_s)(CPUHPPAState *env, float32 a, float32 b) -{ - float32 ret = float32_add(a, b, &env->fp_status); - update_fr0_op(env, GETPC()); - return ret; -} - -float32 HELPER(fsub_s)(CPUHPPAState *env, float32 a, float32 b) -{ - float32 ret = float32_sub(a, b, &env->fp_status); - update_fr0_op(env, GETPC()); - return ret; -} - -float32 HELPER(fmpy_s)(CPUHPPAState *env, float32 a, float32 b) -{ - float32 ret = float32_mul(a, b, &env->fp_status); - update_fr0_op(env, GETPC()); - return ret; -} - -float32 HELPER(fdiv_s)(CPUHPPAState *env, float32 a, float32 b) -{ - float32 ret = float32_div(a, b, &env->fp_status); - update_fr0_op(env, GETPC()); - return ret; -} - -float64 HELPER(fsqrt_d)(CPUHPPAState *env, float64 arg) -{ - float64 ret = float64_sqrt(arg, &env->fp_status); - update_fr0_op(env, GETPC()); - return ret; -} - -float64 HELPER(frnd_d)(CPUHPPAState *env, float64 arg) -{ - float64 ret = float64_round_to_int(arg, &env->fp_status); - update_fr0_op(env, GETPC()); - return ret; -} - -float64 HELPER(fadd_d)(CPUHPPAState *env, float64 a, float64 b) -{ - float64 ret = float64_add(a, b, &env->fp_status); - update_fr0_op(env, GETPC()); - return ret; -} - -float64 HELPER(fsub_d)(CPUHPPAState *env, float64 a, float64 b) -{ - float64 ret = float64_sub(a, b, &env->fp_status); - update_fr0_op(env, GETPC()); - return ret; -} - -float64 HELPER(fmpy_d)(CPUHPPAState *env, float64 a, float64 b) -{ - float64 ret = float64_mul(a, b, &env->fp_status); - update_fr0_op(env, GETPC()); - return ret; -} - -float64 HELPER(fdiv_d)(CPUHPPAState *env, float64 a, float64 b) -{ - float64 ret = float64_div(a, b, &env->fp_status); - update_fr0_op(env, GETPC()); - return ret; -} - -float64 HELPER(fcnv_s_d)(CPUHPPAState *env, float32 arg) -{ - float64 ret = float32_to_float64(arg, &env->fp_status); - update_fr0_op(env, GETPC()); - return ret; -} - -float32 HELPER(fcnv_d_s)(CPUHPPAState *env, float64 arg) -{ - float32 ret = float64_to_float32(arg, &env->fp_status); - update_fr0_op(env, GETPC()); - return ret; -} - -float32 HELPER(fcnv_w_s)(CPUHPPAState *env, int32_t arg) -{ - float32 ret = int32_to_float32(arg, &env->fp_status); - update_fr0_op(env, GETPC()); - return ret; -} - -float32 HELPER(fcnv_dw_s)(CPUHPPAState *env, int64_t arg) -{ - float32 ret = int64_to_float32(arg, &env->fp_status); - update_fr0_op(env, GETPC()); - return ret; -} - -float64 HELPER(fcnv_w_d)(CPUHPPAState *env, int32_t arg) -{ - float64 ret = int32_to_float64(arg, &env->fp_status); - update_fr0_op(env, GETPC()); - return ret; -} - -float64 HELPER(fcnv_dw_d)(CPUHPPAState *env, int64_t arg) -{ - float64 ret = int64_to_float64(arg, &env->fp_status); - update_fr0_op(env, GETPC()); - return ret; -} - -int32_t HELPER(fcnv_s_w)(CPUHPPAState *env, float32 arg) -{ - int32_t ret = float32_to_int32(arg, &env->fp_status); - update_fr0_op(env, GETPC()); - return ret; -} - -int32_t HELPER(fcnv_d_w)(CPUHPPAState *env, float64 arg) -{ - int32_t ret = float64_to_int32(arg, &env->fp_status); - update_fr0_op(env, GETPC()); - return ret; -} - -int64_t HELPER(fcnv_s_dw)(CPUHPPAState *env, float32 arg) -{ - int64_t ret = float32_to_int64(arg, &env->fp_status); - update_fr0_op(env, GETPC()); - return ret; -} - -int64_t HELPER(fcnv_d_dw)(CPUHPPAState *env, float64 arg) -{ - int64_t ret = float64_to_int64(arg, &env->fp_status); - update_fr0_op(env, GETPC()); - return ret; -} - -int32_t HELPER(fcnv_t_s_w)(CPUHPPAState *env, float32 arg) -{ - int32_t ret = float32_to_int32_round_to_zero(arg, &env->fp_status); - update_fr0_op(env, GETPC()); - return ret; -} - -int32_t HELPER(fcnv_t_d_w)(CPUHPPAState *env, float64 arg) -{ - int32_t ret = float64_to_int32_round_to_zero(arg, &env->fp_status); - update_fr0_op(env, GETPC()); - return ret; -} - -int64_t HELPER(fcnv_t_s_dw)(CPUHPPAState *env, float32 arg) -{ - int64_t ret = float32_to_int64_round_to_zero(arg, &env->fp_status); - update_fr0_op(env, GETPC()); - return ret; -} - -int64_t HELPER(fcnv_t_d_dw)(CPUHPPAState *env, float64 arg) -{ - int64_t ret = float64_to_int64_round_to_zero(arg, &env->fp_status); - update_fr0_op(env, GETPC()); - return ret; -} - -float32 HELPER(fcnv_uw_s)(CPUHPPAState *env, uint32_t arg) -{ - float32 ret = uint32_to_float32(arg, &env->fp_status); - update_fr0_op(env, GETPC()); - return ret; -} - -float32 HELPER(fcnv_udw_s)(CPUHPPAState *env, uint64_t arg) -{ - float32 ret = uint64_to_float32(arg, &env->fp_status); - update_fr0_op(env, GETPC()); - return ret; -} - -float64 HELPER(fcnv_uw_d)(CPUHPPAState *env, uint32_t arg) -{ - float64 ret = uint32_to_float64(arg, &env->fp_status); - update_fr0_op(env, GETPC()); - return ret; -} - -float64 HELPER(fcnv_udw_d)(CPUHPPAState *env, uint64_t arg) -{ - float64 ret = uint64_to_float64(arg, &env->fp_status); - update_fr0_op(env, GETPC()); - return ret; -} - -uint32_t HELPER(fcnv_s_uw)(CPUHPPAState *env, float32 arg) -{ - uint32_t ret = float32_to_uint32(arg, &env->fp_status); - update_fr0_op(env, GETPC()); - return ret; -} - -uint32_t HELPER(fcnv_d_uw)(CPUHPPAState *env, float64 arg) -{ - uint32_t ret = float64_to_uint32(arg, &env->fp_status); - update_fr0_op(env, GETPC()); - return ret; -} - -uint64_t HELPER(fcnv_s_udw)(CPUHPPAState *env, float32 arg) -{ - uint64_t ret = float32_to_uint64(arg, &env->fp_status); - update_fr0_op(env, GETPC()); - return ret; -} - -uint64_t HELPER(fcnv_d_udw)(CPUHPPAState *env, float64 arg) -{ - uint64_t ret = float64_to_uint64(arg, &env->fp_status); - update_fr0_op(env, GETPC()); - return ret; -} - -uint32_t HELPER(fcnv_t_s_uw)(CPUHPPAState *env, float32 arg) -{ - uint32_t ret = float32_to_uint32_round_to_zero(arg, &env->fp_status); - update_fr0_op(env, GETPC()); - return ret; -} - -uint32_t HELPER(fcnv_t_d_uw)(CPUHPPAState *env, float64 arg) -{ - uint32_t ret = float64_to_uint32_round_to_zero(arg, &env->fp_status); - update_fr0_op(env, GETPC()); - return ret; -} - -uint64_t HELPER(fcnv_t_s_udw)(CPUHPPAState *env, float32 arg) -{ - uint64_t ret = float32_to_uint64_round_to_zero(arg, &env->fp_status); - update_fr0_op(env, GETPC()); - return ret; -} - -uint64_t HELPER(fcnv_t_d_udw)(CPUHPPAState *env, float64 arg) -{ - uint64_t ret = float64_to_uint64_round_to_zero(arg, &env->fp_status); - update_fr0_op(env, GETPC()); - return ret; -} - -static void update_fr0_cmp(CPUHPPAState *env, uint32_t y, - uint32_t c, FloatRelation r) -{ - uint32_t shadow = env->fr0_shadow; - - switch (r) { - case float_relation_greater: - c = extract32(c, 4, 1); - break; - case float_relation_less: - c = extract32(c, 3, 1); - break; - case float_relation_equal: - c = extract32(c, 2, 1); - break; - case float_relation_unordered: - c = extract32(c, 1, 1); - break; - default: - g_assert_not_reached(); - } - - if (y) { - /* targeted comparison */ - /* set fpsr[ca[y - 1]] to current compare */ - shadow = deposit32(shadow, 21 - (y - 1), 1, c); - } else { - /* queued comparison */ - /* shift cq right by one place */ - shadow = deposit32(shadow, 11, 10, extract32(shadow, 12, 10)); - /* move fpsr[c] to fpsr[cq[0]] */ - shadow = deposit32(shadow, 21, 1, extract32(shadow, 26, 1)); - /* set fpsr[c] to current compare */ - shadow = deposit32(shadow, 26, 1, c); - } - - env->fr0_shadow = shadow; - env->fr[0] = (uint64_t)shadow << 32; -} - -void HELPER(fcmp_s)(CPUHPPAState *env, float32 a, float32 b, - uint32_t y, uint32_t c) -{ - FloatRelation r; - if (c & 1) { - r = float32_compare(a, b, &env->fp_status); - } else { - r = float32_compare_quiet(a, b, &env->fp_status); - } - update_fr0_op(env, GETPC()); - update_fr0_cmp(env, y, c, r); -} - -void HELPER(fcmp_d)(CPUHPPAState *env, float64 a, float64 b, - uint32_t y, uint32_t c) -{ - FloatRelation r; - if (c & 1) { - r = float64_compare(a, b, &env->fp_status); - } else { - r = float64_compare_quiet(a, b, &env->fp_status); - } - update_fr0_op(env, GETPC()); - update_fr0_cmp(env, y, c, r); -} - -float32 HELPER(fmpyfadd_s)(CPUHPPAState *env, float32 a, float32 b, float32 c) -{ - float32 ret = float32_muladd(a, b, c, 0, &env->fp_status); - update_fr0_op(env, GETPC()); - return ret; -} - -float32 HELPER(fmpynfadd_s)(CPUHPPAState *env, float32 a, float32 b, float32 c) -{ - float32 ret = float32_muladd(a, b, c, float_muladd_negate_product, - &env->fp_status); - update_fr0_op(env, GETPC()); - return ret; -} - -float64 HELPER(fmpyfadd_d)(CPUHPPAState *env, float64 a, float64 b, float64 c) -{ - float64 ret = float64_muladd(a, b, c, 0, &env->fp_status); - update_fr0_op(env, GETPC()); - return ret; -} - -float64 HELPER(fmpynfadd_d)(CPUHPPAState *env, float64 a, float64 b, float64 c) -{ - float64 ret = float64_muladd(a, b, c, float_muladd_negate_product, - &env->fp_status); - update_fr0_op(env, GETPC()); - return ret; -} - target_ureg HELPER(read_interval_timer)(void) { #ifdef CONFIG_USER_ONLY @@ -636,79 +208,3 @@ target_ureg HELPER(read_interval_timer)(void) return qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) >> 2; #endif } - -#ifndef CONFIG_USER_ONLY -void HELPER(write_interval_timer)(CPUHPPAState *env, target_ureg val) -{ - HPPACPU *cpu = env_archcpu(env); - uint64_t current = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); - uint64_t timeout; - - /* Even in 64-bit mode, the comparator is always 32-bit. But the - value we expose to the guest is 1/4 of the speed of the clock, - so moosh in 34 bits. */ - timeout = deposit64(current, 0, 34, (uint64_t)val << 2); - - /* If the mooshing puts the clock in the past, advance to next round. */ - if (timeout < current + 1000) { - timeout += 1ULL << 34; - } - - cpu->env.cr[CR_IT] = timeout; - timer_mod(cpu->alarm_timer, timeout); -} - -void HELPER(halt)(CPUHPPAState *env) -{ - qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN); - helper_excp(env, EXCP_HLT); -} - -void HELPER(reset)(CPUHPPAState *env) -{ - qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET); - helper_excp(env, EXCP_HLT); -} - -target_ureg HELPER(swap_system_mask)(CPUHPPAState *env, target_ureg nsm) -{ - target_ulong psw = env->psw; - /* - * Setting the PSW Q bit to 1, if it was not already 1, is an - * undefined operation. - * - * However, HP-UX 10.20 does this with the SSM instruction. - * Tested this on HP9000/712 and HP9000/785/C3750 and both - * machines set the Q bit from 0 to 1 without an exception, - * so let this go without comment. - */ - env->psw = (psw & ~PSW_SM) | (nsm & PSW_SM); - return psw & PSW_SM; -} - -void HELPER(rfi)(CPUHPPAState *env) -{ - env->iasq_f = (uint64_t)env->cr[CR_IIASQ] << 32; - env->iasq_b = (uint64_t)env->cr_back[0] << 32; - env->iaoq_f = env->cr[CR_IIAOQ]; - env->iaoq_b = env->cr_back[1]; - cpu_hppa_put_psw(env, env->cr[CR_IPSW]); -} - -void HELPER(getshadowregs)(CPUHPPAState *env) -{ - env->gr[1] = env->shadow[0]; - env->gr[8] = env->shadow[1]; - env->gr[9] = env->shadow[2]; - env->gr[16] = env->shadow[3]; - env->gr[17] = env->shadow[4]; - env->gr[24] = env->shadow[5]; - env->gr[25] = env->shadow[6]; -} - -void HELPER(rfi_r)(CPUHPPAState *env) -{ - helper_getshadowregs(env); - helper_rfi(env); -} -#endif |