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target/hppa: Define the rest of the PSW 

We don't actually do anything with most of the bits yet,
but at least they have names and we have somewhere to
store them.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2017-10-08 19:00:40 -04:00
parent 813dff13bf
commit fa57e3274d
2 changed files with 86 additions and 14 deletions
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47
target/hppa/cpu.h
View File

@ -46,6 +46,52 @@
#define EXCP_SIGILL 4
#define EXCP_SIGFPE 5
/* Taken from Linux kernel: arch/parisc/include/asm/psw.h */
#define PSW_I 0x00000001
#define PSW_D 0x00000002
#define PSW_P 0x00000004
#define PSW_Q 0x00000008
#define PSW_R 0x00000010
#define PSW_F 0x00000020
#define PSW_G 0x00000040 /* PA1.x only */
#define PSW_O 0x00000080 /* PA2.0 only */
#define PSW_CB 0x0000ff00
#define PSW_M 0x00010000
#define PSW_V 0x00020000
#define PSW_C 0x00040000
#define PSW_B 0x00080000
#define PSW_X 0x00100000
#define PSW_N 0x00200000
#define PSW_L 0x00400000
#define PSW_H 0x00800000
#define PSW_T 0x01000000
#define PSW_S 0x02000000
#define PSW_E 0x04000000
#ifdef TARGET_HPPA64
#define PSW_W 0x08000000 /* PA2.0 only */
#else
#define PSW_W 0
#endif
#define PSW_Z 0x40000000 /* PA1.x only */
#define PSW_Y 0x80000000 /* PA1.x only */
#define PSW_SM (PSW_W | PSW_E | PSW_O | PSW_G | PSW_F \
| PSW_R | PSW_Q | PSW_P | PSW_D | PSW_I)
/* ssm/rsm instructions number PSW_W and PSW_E differently */
#define PSW_SM_I PSW_I /* Enable External Interrupts */
#define PSW_SM_D PSW_D
#define PSW_SM_P PSW_P
#define PSW_SM_Q PSW_Q /* Enable Interrupt State Collection */
#define PSW_SM_R PSW_R /* Enable Recover Counter Trap */
#ifdef TARGET_HPPA64
#define PSW_SM_E 0x100
#define PSW_SM_W 0x200 /* PA2.0 only : Enable Wide Mode */
#else
#define PSW_SM_E 0
#define PSW_SM_W 0
#endif
typedef struct CPUHPPAState CPUHPPAState;
struct CPUHPPAState {
@ -56,6 +102,7 @@ struct CPUHPPAState {
target_ulong cr26;
target_ulong cr27;
target_long psw; /* All psw bits except the following: */
target_ulong psw_n; /* boolean */
target_long psw_v; /* in most significant bit */

53
target/hppa/helper.c
View File

@ -39,10 +39,11 @@ target_ulong cpu_hppa_get_psw(CPUHPPAState *env)
/* .........................bcdefgh */
psw |= (psw >> 12) & 0xf;
psw |= env->psw_cb_msb << 7;
psw <<= 8;
psw = (psw & 0xff) << 8;
psw |= env->psw_n << 21;
psw |= (env->psw_v < 0) << 17;
psw |= env->psw_n * PSW_N;
psw |= (env->psw_v < 0) * PSW_V;
psw |= env->psw;
return psw;
}
@ -51,8 +52,9 @@ void cpu_hppa_put_psw(CPUHPPAState *env, target_ulong psw)
{
target_ulong cb = 0;
env->psw_n = (psw >> 21) & 1;
env->psw_v = -((psw >> 17) & 1);
env->psw = psw & ~(PSW_N | PSW_V | PSW_CB);
env->psw_n = (psw / PSW_N) & 1;
env->psw_v = -((psw / PSW_V) & 1);
env->psw_cb_msb = (psw >> 15) & 1;
cb |= ((psw >> 14) & 1) << 28;
@ -106,22 +108,45 @@ void hppa_cpu_dump_state(CPUState *cs, FILE *f,
{
HPPACPU *cpu = HPPA_CPU(cs);
CPUHPPAState *env = &cpu->env;
target_ulong psw = cpu_hppa_get_psw(env);
target_ulong psw_cb;
char psw_c[20];
int i;
cpu_fprintf(f, "IA_F " TARGET_FMT_lx
" IA_B " TARGET_FMT_lx
" PSW " TARGET_FMT_lx
" [N:" TARGET_FMT_ld " V:%d"
" CB:" TARGET_FMT_lx "]\n ",
env->iaoq_f, env->iaoq_b, cpu_hppa_get_psw(env),
env->psw_n, env->psw_v < 0,
((env->psw_cb >> 4) & 0x01111111) | (env->psw_cb_msb << 28));
for (i = 1; i < 32; i++) {
cpu_fprintf(f, "IA_F " TARGET_FMT_lx " IA_B " TARGET_FMT_lx "\n",
env->iaoq_f, env->iaoq_b);
psw_c[0] = (psw & PSW_W ? 'W' : '-');
psw_c[1] = (psw & PSW_E ? 'E' : '-');
psw_c[2] = (psw & PSW_S ? 'S' : '-');
psw_c[3] = (psw & PSW_T ? 'T' : '-');
psw_c[4] = (psw & PSW_H ? 'H' : '-');
psw_c[5] = (psw & PSW_L ? 'L' : '-');
psw_c[6] = (psw & PSW_N ? 'N' : '-');
psw_c[7] = (psw & PSW_X ? 'X' : '-');
psw_c[8] = (psw & PSW_B ? 'B' : '-');
psw_c[9] = (psw & PSW_C ? 'C' : '-');
psw_c[10] = (psw & PSW_V ? 'V' : '-');
psw_c[11] = (psw & PSW_M ? 'M' : '-');
psw_c[12] = (psw & PSW_F ? 'F' : '-');
psw_c[13] = (psw & PSW_R ? 'R' : '-');
psw_c[14] = (psw & PSW_Q ? 'Q' : '-');
psw_c[15] = (psw & PSW_P ? 'P' : '-');
psw_c[16] = (psw & PSW_D ? 'D' : '-');
psw_c[17] = (psw & PSW_I ? 'I' : '-');
psw_c[18] = '\0';
psw_cb = ((env->psw_cb >> 4) & 0x01111111) | (env->psw_cb_msb << 28);
cpu_fprintf(f, "PSW " TARGET_FMT_lx " CB " TARGET_FMT_lx " %s\n",
psw, psw_cb, psw_c);
for (i = 0; i < 32; i++) {
cpu_fprintf(f, "GR%02d " TARGET_FMT_lx " ", i, env->gr[i]);
if ((i % 4) == 3) {
cpu_fprintf(f, "\n");
}
}
cpu_fprintf(f, "\n");
/* ??? FR */
}