haraldwolff/qemu-patch-raspberry4
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Report normalised CWP values to userland and GDB, not internal representation

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3052 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
blueswir1 2007-07-07 20:53:22 +00:00
parent dc011987f2
commit 17d996e1f1
4 changed files with 25 additions and 9 deletions
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14
gdbstub.c
View file

@ -383,7 +383,10 @@ static int cpu_gdb_read_registers(CPUState *env, uint8_t *mem_buf)
}
registers[64] = tswapl(env->pc);
registers[65] = tswapl(env->npc);
registers[66] = tswapl(env->tstate[env->tl]);
registers[66] = tswapl(((uint64_t)GET_CCR(env) << 32) |
((env->asi & 0xff) << 24) |
((env->pstate & 0xfff) << 8) |
GET_CWP64(env));
registers[67] = tswapl(env->fsr);
registers[68] = tswapl(env->fprs);
registers[69] = tswapl(env->y);
@ -427,7 +430,14 @@ static void cpu_gdb_write_registers(CPUState *env, uint8_t *mem_buf, int size)
}
env->pc = tswapl(registers[64]);
env->npc = tswapl(registers[65]);
env->tstate[env->tl] = tswapl(registers[66]);
{
uint64_t tmp = tswapl(registers[66]);
PUT_CCR(env, tmp >> 32);
env->asi = (tmp >> 24) & 0xff;
env->pstate = (tmp >> 8) & 0xfff;
PUT_CWP64(env, tmp & 0xff);
}
env->fsr = tswapl(registers[67]);
env->fprs = tswapl(registers[68]);
env->y = tswapl(registers[69]);

10
target-sparc/cpu.h
View file

@ -288,11 +288,17 @@ void cpu_set_cwp(CPUSPARCState *env1, int new_cwp);
} while (0)
#ifdef TARGET_SPARC64
#define GET_CCR(env) ((env->xcc << 4) | (env->psr & PSR_ICC))
#define GET_CCR(env) (((env->xcc >> 20) << 4) | ((env->psr & PSR_ICC) >> 20))
#define PUT_CCR(env, val) do { int _tmp = val; \
env->xcc = _tmp >> 4; \
env->xcc = (_tmp >> 4) << 20; \
env->psr = (_tmp & 0xf) << 20; \
} while (0)
#define GET_CWP64(env) (NWINDOWS - 1 - (env)->cwp)
#define PUT_CWP64(env, val) do { \
env->cwp = NWINDOWS - 1 - ((val) & 0xff); \
cpu_set_cwp(env, env->cwp); \
} while(0)
#endif
int cpu_sparc_signal_handler(int host_signum, void *pinfo, void *puc);

4
target-sparc/op.c
View file

@ -1184,12 +1184,12 @@ void OPPROTO op_wrpstate(void)
// order.
void OPPROTO op_rdcwp(void)
{
T0 = NWINDOWS - 1 - env->cwp;
T0 = GET_CWP64(env);
}
void OPPROTO op_wrcwp(void)
{
env->cwp = NWINDOWS - 1 - T0;
PUT_CWP64(env, T0);
}
/* XXX: use another pointer for %iN registers to avoid slow wrapping

6
target-sparc/op_helper.c
View file

@ -871,7 +871,7 @@ void do_done(void)
PUT_CCR(env, env->tstate[env->tl] >> 32);
env->asi = (env->tstate[env->tl] >> 24) & 0xff;
env->pstate = (env->tstate[env->tl] >> 8) & 0xfff;
set_cwp(env->tstate[env->tl] & 0xff);
PUT_CWP64(env, env->tstate[env->tl] & 0xff);
}
void do_retry(void)
@ -882,7 +882,7 @@ void do_retry(void)
PUT_CCR(env, env->tstate[env->tl] >> 32);
env->asi = (env->tstate[env->tl] >> 24) & 0xff;
env->pstate = (env->tstate[env->tl] >> 8) & 0xfff;
set_cwp(env->tstate[env->tl] & 0xff);
PUT_CWP64(env, env->tstate[env->tl] & 0xff);
}
#endif
@ -952,7 +952,7 @@ void do_interrupt(int intno)
}
#endif
env->tstate[env->tl] = ((uint64_t)GET_CCR(env) << 32) | ((env->asi & 0xff) << 24) |
((env->pstate & 0xfff) << 8) | (env->cwp & 0xff);
((env->pstate & 0xfff) << 8) | GET_CWP64(env);
env->tpc[env->tl] = env->pc;
env->tnpc[env->tl] = env->npc;
env->tt[env->tl] = intno;