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target/hppa: Define the rest of the PSW

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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 */
}