From 10044b92f0ba0b44771b5319a82ecabf177ebf8f Mon Sep 17 00:00:00 2001 Message-Id: From: Blue Swirl Date: Sat, 18 Jun 2011 20:27:05 +0000 Subject: [PATCH] Sparc32: dummy implementation of MXCC MMU breakpoint registers Add dummy registers for SuperSPARC MXCC MMU counter breakpoints, save and load all MXCC registers. Signed-off-by: Blue Swirl --- target-sparc/cpu.h | 4 +++- target-sparc/machine.c | 26 ++++++++++++++++++++++++++ target-sparc/op_helper.c | 26 ++++++++++++++++++++++++-- 3 files changed, 53 insertions(+), 3 deletions(-) diff --git a/target-sparc/cpu.h b/target-sparc/cpu.h index 320530e..a220bf4 100644 --- a/target-sparc/cpu.h +++ b/target-sparc/cpu.h @@ -403,6 +403,8 @@ typedef struct CPUSPARCState { uint32_t mmuregs[32]; uint64_t mxccdata[4]; uint64_t mxccregs[8]; + uint32_t mmubpctrv, mmubpctrc, mmubpctrs; + uint64_t mmubpaction; uint64_t mmubpregs[4]; uint64_t prom_addr; #endif @@ -521,7 +523,7 @@ int cpu_sparc_signal_handler(int host_signum, void *pinfo, void *puc); #define cpu_signal_handler cpu_sparc_signal_handler #define cpu_list sparc_cpu_list -#define CPU_SAVE_VERSION 6 +#define CPU_SAVE_VERSION 7 /* MMU modes definitions */ #if defined (TARGET_SPARC64) diff --git a/target-sparc/machine.c b/target-sparc/machine.c index 752e431..bae23c5 100644 --- a/target-sparc/machine.c +++ b/target-sparc/machine.c @@ -45,6 +45,19 @@ void cpu_save(QEMUFile *f, void *opaque) /* MMU */ for (i = 0; i < 32; i++) qemu_put_be32s(f, &env->mmuregs[i]); + for (i = 0; i < 4; i++) { + qemu_put_be64s(f, &env->mxccdata[i]); + } + for (i = 0; i < 8; i++) { + qemu_put_be64s(f, &env->mxccregs[i]); + } + qemu_put_be32s(f, &env->mmubpctrv); + qemu_put_be32s(f, &env->mmubpctrc); + qemu_put_be32s(f, &env->mmubpctrs); + qemu_put_be64s(f, &env->mmubpaction); + for (i = 0; i < 4; i++) { + qemu_put_be64s(f, &env->mmubpregs[i]); + } #else qemu_put_be64s(f, &env->lsu); for (i = 0; i < 16; i++) { @@ -141,6 +154,19 @@ int cpu_load(QEMUFile *f, void *opaque, int version_id) /* MMU */ for (i = 0; i < 32; i++) qemu_get_be32s(f, &env->mmuregs[i]); + for (i = 0; i < 4; i++) { + qemu_get_be64s(f, &env->mxccdata[i]); + } + for (i = 0; i < 8; i++) { + qemu_get_be64s(f, &env->mxccregs[i]); + } + qemu_get_be32s(f, &env->mmubpctrv); + qemu_get_be32s(f, &env->mmubpctrc); + qemu_get_be32s(f, &env->mmubpctrs); + qemu_get_be64s(f, &env->mmubpaction); + for (i = 0; i < 4; i++) { + qemu_get_be64s(f, &env->mmubpregs[i]); + } #else qemu_get_be64s(f, &env->lsu); for (i = 0; i < 16; i++) { diff --git a/target-sparc/op_helper.c b/target-sparc/op_helper.c index b38691e..e9cc1f5 100644 --- a/target-sparc/op_helper.c +++ b/target-sparc/op_helper.c @@ -1940,7 +1940,6 @@ uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign) case 0x31: // Turbosparc RAM snoop case 0x32: // Turbosparc page table descriptor diagnostic case 0x39: /* data cache diagnostic register */ - case 0x4c: /* SuperSPARC MMU Breakpoint Action register */ ret = 0; break; case 0x38: /* SuperSPARC MMU Breakpoint Control Registers */ @@ -1966,6 +1965,18 @@ uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign) ret); } break; + case 0x49: /* SuperSPARC MMU Counter Breakpoint Value */ + ret = env->mmubpctrv; + break; + case 0x4a: /* SuperSPARC MMU Counter Breakpoint Control */ + ret = env->mmubpctrc; + break; + case 0x4b: /* SuperSPARC MMU Counter Breakpoint Status */ + ret = env->mmubpctrs; + break; + case 0x4c: /* SuperSPARC MMU Breakpoint Action */ + ret = env->mmubpaction; + break; case 8: /* User code access, XXX */ default: do_unassigned_access(addr, 0, 0, asi, size); @@ -2304,7 +2315,6 @@ void helper_st_asi(target_ulong addr, uint64_t val, int asi, int size) // descriptor diagnostic case 0x36: /* I-cache flash clear */ case 0x37: /* D-cache flash clear */ - case 0x4c: /* breakpoint action */ break; case 0x38: /* SuperSPARC MMU Breakpoint Control Registers*/ { @@ -2328,6 +2338,18 @@ void helper_st_asi(target_ulong addr, uint64_t val, int asi, int size) env->mmuregs[reg]); } break; + case 0x49: /* SuperSPARC MMU Counter Breakpoint Value */ + env->mmubpctrv = val & 0xffffffff; + break; + case 0x4a: /* SuperSPARC MMU Counter Breakpoint Control */ + env->mmubpctrc = val & 0x3; + break; + case 0x4b: /* SuperSPARC MMU Counter Breakpoint Status */ + env->mmubpctrs = val & 0x3; + break; + case 0x4c: /* SuperSPARC MMU Breakpoint Action */ + env->mmubpaction = val & 0x1fff; + break; case 8: /* User code access, XXX */ case 9: /* Supervisor code access, XXX */ default: -- 1.7.2.5