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+/* e500 registers, for PSIM, the PowerPC simulator.
+
+ Copyright 2003 Free Software Foundation, Inc.
+
+ Contributed by Red Hat Inc; developed under contract from Motorola.
+ Written by matthew green <mrg@redhat.com>.
+
+ This file is part of GDB.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/* e500 accumulator. */
+
+typedef unsigned64 accreg;
+
+enum {
+ msr_e500_spu_enable = BIT(38)
+};
+
+/* E500 regsiters. */
+
+enum
+ {
+ spefscr_sovh = BIT(32), /* summary integer overlow (high) */
+ spefscr_ovh = BIT(33), /* int overflow (high) */
+ spefscr_fgh = BIT(34), /* FP guard (high) */
+ spefscr_fxh = BIT(35), /* FP sticky (high) */
+ spefscr_finvh = BIT(36), /* FP invalid operand (high) */
+ spefscr_fdbzh = BIT(37), /* FP divide by zero (high) */
+ spefscr_funfh = BIT(38), /* FP underflow (high) */
+ spefscr_fovfh = BIT(39), /* FP overflow (high) */
+ spefscr_finxs = BIT(42), /* FP inexact sticky */
+ spefscr_finvs = BIT(43), /* FP invalid operand sticky */
+ spefscr_fdbzs = BIT(44), /* FP divide by zero sticky */
+ spefscr_funfs = BIT(45), /* FP underflow sticky */
+ spefscr_fovfs = BIT(46), /* FP overflow sticky */
+ spefscr_mode = BIT(47), /* SPU MODE (read only) */
+ spefscr_sov = BIT(48), /* Summary integer overlow (low) */
+ spefscr_ov = BIT(49), /* int overflow (low) */
+ spefscr_fg = BIT(50), /* FP guard (low) */
+ spefscr_fx = BIT(51), /* FP sticky (low) */
+ spefscr_finv = BIT(52), /* FP invalid operand (low) */
+ spefscr_fdbz = BIT(53), /* FP divide by zero (low) */
+ spefscr_funf = BIT(54), /* FP underflow (low) */
+ spefscr_fovf = BIT(55), /* FP overflow (low) */
+ spefscr_finxe = BIT(57), /* FP inexact enable */
+ spefscr_finve = BIT(58), /* FP invalid operand enable */
+ spefscr_fdbze = BIT(59), /* FP divide by zero enable */
+ spefscr_funfe = BIT(60), /* FP underflow enable */
+ spefscr_fovfe = BIT(61), /* FP overflow enable */
+ spefscr_frmc0 = BIT(62), /* FP round mode control */
+ spefscr_frmc1 = BIT(63),
+ spefscr_frmc = (spefscr_frmc0 | spefscr_frmc1),
+};
+
+struct e500_regs {
+ /* e500 high bits. */
+ signed_word gprh[32];
+ /* Accumulator */
+ accreg acc;
+};
+
+/* SPE partially visible acculator */
+#define ACC cpu_registers(processor)->e500.acc
+
+/* e500 register high bits */
+#define GPRH(N) cpu_registers(processor)->e500.gprh[N]
+
+/* e500 unified vector register */
+#define EVR(N) ((((unsigned64)GPRH(N)) << 32) | GPR(N))