aboutsummaryrefslogtreecommitdiff
path: root/sim/v850
diff options
context:
space:
mode:
authorAndrew Cagney <cagney@redhat.com>1997-09-03 04:13:45 +0000
committerAndrew Cagney <cagney@redhat.com>1997-09-03 04:13:45 +0000
commitcabedd5871f9619c9311993f5092957a74fcb650 (patch)
tree02b3bacd69353afcd12203212f7ba725074cad07 /sim/v850
parent9cdd2c6d728fad88b49377ff2951ed436cbfb470 (diff)
downloadgdb-cabedd5871f9619c9311993f5092957a74fcb650.zip
gdb-cabedd5871f9619c9311993f5092957a74fcb650.tar.gz
gdb-cabedd5871f9619c9311993f5092957a74fcb650.tar.bz2
Standard simulator header file.
Diffstat (limited to 'sim/v850')
-rw-r--r--sim/v850/sim-main.h172
1 files changed, 172 insertions, 0 deletions
diff --git a/sim/v850/sim-main.h b/sim/v850/sim-main.h
new file mode 100644
index 0000000..cf2c093
--- /dev/null
+++ b/sim/v850/sim-main.h
@@ -0,0 +1,172 @@
+#define SIM_HAVE_FLATMEM 1
+
+#include "sim-basics.h"
+
+typedef address_word sim_cia;
+
+/* This simulator doesn't cache state */
+#define SIM_ENGINE_HALT_HOOK(sd,last_cpu,cia) while (0)
+#define SIM_ENGINE_RESTART_HOOK(sd,last_cpu,cia) while (0)
+
+#include "sim-base.h"
+
+typedef signed8 int8;
+typedef unsigned8 uint8;
+typedef signed16 int16;
+typedef unsigned16 uint16;
+typedef signed32 int32;
+typedef unsigned32 uint32;
+typedef unsigned32 reg_t;
+
+
+/* The current state of the processor; registers, memory, etc. */
+
+typedef struct _v850_regs {
+ reg_t regs[32]; /* general-purpose registers */
+ reg_t sregs[32]; /* system registers, including psw */
+ reg_t pc;
+ int dummy_mem; /* where invalid accesses go */
+ int exception;
+ int pending_nmi;
+} v850_regs;
+
+struct _sim_cpu
+{
+ /* ... simulator specific members ... */
+ v850_regs reg;
+ /* ... base type ... */
+ sim_cpu_base base;
+};
+
+struct sim_state {
+ sim_cpu cpu[MAX_NR_PROCESSORS];
+#if (WITH_SMP)
+#define STATE_CPU(sd,n) (&(sd)->cpu[n])
+#else
+#define STATE_CPU(sd,n) (&(sd)->cpu[0])
+#endif
+ SIM_ADDR rom_size;
+ SIM_ADDR low_end;
+ SIM_ADDR high_start;
+ SIM_ADDR high_base;
+ sim_state_base base;
+};
+
+/* For compatibility, until all functions converted to passing
+ SIM_DESC as an argument */
+extern SIM_DESC simulator;
+
+
+#define V850_ROM_SIZE 0x8000
+#define V850_LOW_END 0x200000
+#define V850_HIGH_START 0xffe000
+
+
+#define DEBUG_TRACE 0x00000001
+#define DEBUG_VALUES 0x00000002
+
+extern int v850_debug;
+
+#define SIG_V850_EXIT -1 /* indication of a normal exit */
+
+extern uint32 OP[4];
+extern struct simops Simops[];
+
+#define State (STATE_CPU (simulator, 0)->reg)
+#define PC (State.pc)
+#define SP (State.regs[3])
+#define EP (State.regs[30])
+
+#define EIPC (State.sregs[0])
+#define EIPSW (State.sregs[1])
+#define FEPC (State.sregs[2])
+#define FEPSW (State.sregs[3])
+#define ECR (State.sregs[4])
+#define PSW (State.sregs[5])
+/* start-sanitize-v850e */
+#define CTPC (State.sregs[16])
+#define CTPSW (State.sregs[17])
+/* end-sanitize-v850e */
+#define DBPC (State.sregs[18])
+#define DBPSW (State.sregs[19])
+/* start-sanitize-v850e */
+#define CTBP (State.sregs[20])
+/* end-sanitize-v850e */
+
+#define PSW_NP 0x80
+#define PSW_EP 0x40
+#define PSW_ID 0x20
+#define PSW_SAT 0x10
+#define PSW_CY 0x8
+#define PSW_OV 0x4
+#define PSW_S 0x2
+#define PSW_Z 0x1
+
+#define SEXT3(x) ((((x)&0x7)^(~0x3))+0x4)
+
+/* sign-extend a 4-bit number */
+#define SEXT4(x) ((((x)&0xf)^(~0x7))+0x8)
+
+/* sign-extend a 5-bit number */
+#define SEXT5(x) ((((x)&0x1f)^(~0xf))+0x10)
+
+/* sign-extend an 8-bit number */
+#define SEXT8(x) ((((x)&0xff)^(~0x7f))+0x80)
+
+/* sign-extend a 9-bit number */
+#define SEXT9(x) ((((x)&0x1ff)^(~0xff))+0x100)
+
+/* sign-extend a 16-bit number */
+#define SEXT16(x) ((((x)&0xffff)^(~0x7fff))+0x8000)
+
+/* sign-extend a 22-bit number */
+#define SEXT22(x) ((((x)&0x3fffff)^(~0x1fffff))+0x200000)
+
+/* sign-extend a 32-bit number */
+#define SEXT32(x) ((((x)&0xffffffffLL)^(~0x7fffffffLL))+0x80000000LL)
+
+/* sign extend a 40 bit number */
+#define SEXT40(x) ((((x)&0xffffffffffLL)^(~0x7fffffffffLL))+0x8000000000LL)
+
+/* sign extend a 44 bit number */
+#define SEXT44(x) ((((x)&0xfffffffffffLL)^(~0x7ffffffffffLL))+0x80000000000LL)
+
+/* sign extend a 60 bit number */
+#define SEXT60(x) ((((x)&0xfffffffffffffffLL)^(~0x7ffffffffffffffLL))+0x800000000000000LL)
+
+/* No sign extension */
+#define NOP(x) (x)
+
+#if 0
+#define MAX32 0x7fffffffLL
+#define MIN32 0xff80000000LL
+#define MASK32 0xffffffffLL
+#define MASK40 0xffffffffffLL
+#endif
+
+#define INC_ADDR(x,i) x = ((State.MD && x == MOD_E) ? MOD_S : (x)+(i))
+
+#define RLW(x) load_mem (x, 4)
+
+#ifdef _WIN32
+#ifndef SIGTRAP
+#define SIGTRAP 5
+#endif
+#ifndef SIGQUIT
+#define SIGQUIT 3
+#endif
+#endif
+
+/* Function declarations. */
+
+uint32 get_word PARAMS ((uint8 *));
+uint16 get_half PARAMS ((uint8 *));
+uint8 get_byte PARAMS ((uint8 *));
+void put_word PARAMS ((uint8 *, uint32));
+void put_half PARAMS ((uint8 *, uint16));
+void put_byte PARAMS ((uint8 *, uint8));
+
+extern uint32 load_mem PARAMS ((SIM_ADDR addr, int len));
+extern void store_mem PARAMS ((SIM_ADDR addr, int len, uint32 data));
+
+extern uint8 *map PARAMS ((SIM_ADDR addr));