diff options
| -rw-r--r-- | sim/frv/ChangeLog | 9 | ||||
| -rw-r--r-- | sim/frv/frv-sim.h | 7 | ||||
| -rw-r--r-- | sim/frv/frv.c | 69 |
3 files changed, 64 insertions, 21 deletions
diff --git a/sim/frv/ChangeLog b/sim/frv/ChangeLog index efeb2bc..68b33ec 100644 --- a/sim/frv/ChangeLog +++ b/sim/frv/ChangeLog @@ -1,3 +1,12 @@ +2003-11-24 Kevin Buettner <kevinb@redhat.com> + + * frv-sim.h (GR_REGNUM_MAX, FR_REGNUM_MAX, PC_REGNUM, SPR_REGNUM_MIN) + (SPR_REGNUM_MAX): Delete. + * frv.c (gdb/sim-frv.h): Include. + (frvbf_fetch_register, frvbf_store_register): Use register number + constants from gdb/sim-frv.h. Check availability of general + purpose and float registers. + 2003-11-03 Dave Brolley <brolley@redhat.com> * cache.c (address_interference): Check for higher priority requests diff --git a/sim/frv/frv-sim.h b/sim/frv/frv-sim.h index 53d131f..39da19c 100644 --- a/sim/frv/frv-sim.h +++ b/sim/frv/frv-sim.h @@ -29,13 +29,6 @@ with this program; if not, write to the Free Software Foundation, Inc., #define H_SPR_ACCG4 1476 #define H_SPR_ACCG63 1535 -/* gdb register numbers. */ -#define GR_REGNUM_MAX 63 -#define FR_REGNUM_MAX 127 -#define PC_REGNUM 128 -#define SPR_REGNUM_MIN 129 -#define SPR_REGNUM_MAX (SPR_REGNUM_MIN + 4096 - 1) - /* Initialization of the frv cpu. */ void frv_initialize (SIM_CPU *, SIM_DESC); void frv_term (SIM_DESC); diff --git a/sim/frv/frv.c b/sim/frv/frv.c index cc71eca..de1ff1d 100644 --- a/sim/frv/frv.c +++ b/sim/frv/frv.c @@ -27,6 +27,7 @@ with this program; if not, write to the Free Software Foundation, Inc., #include "cgen-engine.h" #include "cgen-par.h" #include "bfd.h" +#include "gdb/sim-frv.h" #include <math.h> /* Maintain a flag in order to know when to write the address of the next @@ -38,17 +39,37 @@ int frvbf_write_next_vliw_addr_to_LR; int frvbf_fetch_register (SIM_CPU *current_cpu, int rn, unsigned char *buf, int len) { - if (rn <= GR_REGNUM_MAX) - SETTSI (buf, GET_H_GR (rn)); - else if (rn <= FR_REGNUM_MAX) - SETTSI (buf, GET_H_FR (rn - GR_REGNUM_MAX - 1)); - else if (rn == PC_REGNUM) + if (SIM_FRV_GR0_REGNUM <= rn && rn <= SIM_FRV_GR63_REGNUM) + { + int hi_available, lo_available; + int grn = rn - SIM_FRV_GR0_REGNUM; + + frv_gr_registers_available (current_cpu, &hi_available, &lo_available); + + if ((grn < 32 && !lo_available) || (grn >= 32 && !hi_available)) + return 0; + else + SETTSI (buf, GET_H_GR (grn)); + } + else if (SIM_FRV_FR0_REGNUM <= rn && rn <= SIM_FRV_FR63_REGNUM) + { + int hi_available, lo_available; + int frn = rn - SIM_FRV_FR0_REGNUM; + + frv_fr_registers_available (current_cpu, &hi_available, &lo_available); + + if ((frn < 32 && !lo_available) || (frn >= 32 && !hi_available)) + return 0; + else + SETTSI (buf, GET_H_FR (frn)); + } + else if (rn == SIM_FRV_PC_REGNUM) SETTSI (buf, GET_H_PC ()); - else if (rn >= SPR_REGNUM_MIN && rn <= SPR_REGNUM_MAX) + else if (SIM_FRV_SPR0_REGNUM <= rn && rn <= SIM_FRV_SPR4095_REGNUM) { /* Make sure the register is implemented. */ FRV_REGISTER_CONTROL *control = CPU_REGISTER_CONTROL (current_cpu); - int spr = rn - SPR_REGNUM_MIN; + int spr = rn - SIM_FRV_SPR0_REGNUM; if (! control->spr[spr].implemented) return 0; SETTSI (buf, GET_H_SPR (spr)); @@ -67,17 +88,37 @@ frvbf_fetch_register (SIM_CPU *current_cpu, int rn, unsigned char *buf, int len) int frvbf_store_register (SIM_CPU *current_cpu, int rn, unsigned char *buf, int len) { - if (rn <= GR_REGNUM_MAX) - SET_H_GR (rn, GETTSI (buf)); - else if (rn <= FR_REGNUM_MAX) - SET_H_FR (rn - GR_REGNUM_MAX - 1, GETTSI (buf)); - else if (rn == PC_REGNUM) + if (SIM_FRV_GR0_REGNUM <= rn && rn <= SIM_FRV_GR63_REGNUM) + { + int hi_available, lo_available; + int grn = rn - SIM_FRV_GR0_REGNUM; + + frv_gr_registers_available (current_cpu, &hi_available, &lo_available); + + if ((grn < 32 && !lo_available) || (grn >= 32 && !hi_available)) + return 0; + else + SET_H_GR (grn, GETTSI (buf)); + } + else if (SIM_FRV_FR0_REGNUM <= rn && rn <= SIM_FRV_FR63_REGNUM) + { + int hi_available, lo_available; + int frn = rn - SIM_FRV_FR0_REGNUM; + + frv_fr_registers_available (current_cpu, &hi_available, &lo_available); + + if ((frn < 32 && !lo_available) || (frn >= 32 && !hi_available)) + return 0; + else + SET_H_FR (frn, GETTSI (buf)); + } + else if (rn == SIM_FRV_PC_REGNUM) SET_H_PC (GETTSI (buf)); - else if (rn >= SPR_REGNUM_MIN && rn <= SPR_REGNUM_MAX) + else if (SIM_FRV_SPR0_REGNUM <= rn && rn <= SIM_FRV_SPR4095_REGNUM) { /* Make sure the register is implemented. */ FRV_REGISTER_CONTROL *control = CPU_REGISTER_CONTROL (current_cpu); - int spr = rn - SPR_REGNUM_MIN; + int spr = rn - SIM_FRV_SPR0_REGNUM; if (! control->spr[spr].implemented) return 0; SET_H_SPR (spr, GETTSI (buf)); |