/* CPUClass::reset() */ static void arm_cpu_reset(CPUState *s) { ARMCPU *cpu = ARM_CPU(s); ARMCPUClass *acc = ARM_CPU_GET_CLASS(cpu); CPUARMState *env = &cpu->env; acc->parent_reset(s); memset(env, 0, offsetof(CPUARMState, features)); g_hash_table_foreach(cpu->cp_regs, cp_reg_reset, cpu); env->vfp.xregs[ARM_VFP_FPSID] = cpu->reset_fpsid; env->vfp.xregs[ARM_VFP_MVFR0] = cpu->mvfr0; env->vfp.xregs[ARM_VFP_MVFR1] = cpu->mvfr1; env->vfp.xregs[ARM_VFP_MVFR2] = cpu->mvfr2; if (arm_feature(env, ARM_FEATURE_IWMMXT)) { env->iwmmxt.cregs[ARM_IWMMXT_wCID] = 0x69051000 | 'Q'; } if (arm_feature(env, ARM_FEATURE_AARCH64)) { /* 64 bit CPUs always start in 64 bit mode */ env->aarch64 = 1; #if defined(CONFIG_USER_ONLY) env->pstate = PSTATE_MODE_EL0t; /* Userspace expects access to CTL_EL0 and the cache ops */ env->cp15.c1_sys |= SCTLR_UCT | SCTLR_UCI; /* and to the FP/Neon instructions */ env->cp15.c1_coproc = deposit64(env->cp15.c1_coproc, 20, 2, 3); #else env->pstate = PSTATE_MODE_EL1h; env->pc = cpu->rvbar; #endif } else { #if defined(CONFIG_USER_ONLY) /* Userspace expects access to cp10 and cp11 for FP/Neon */ env->cp15.c1_coproc = deposit64(env->cp15.c1_coproc, 20, 4, 0xf); #endif } #if defined(CONFIG_USER_ONLY) env->uncached_cpsr = ARM_CPU_MODE_USR; /* For user mode we must enable access to coprocessors */ env->vfp.xregs[ARM_VFP_FPEXC] = 1 << 30; if (arm_feature(env, ARM_FEATURE_IWMMXT)) { env->cp15.c15_cpar = 3; } else if (arm_feature(env, ARM_FEATURE_XSCALE)) { env->cp15.c15_cpar = 1; } #else /* SVC mode with interrupts disabled. */ env->uncached_cpsr = ARM_CPU_MODE_SVC; env->daif = PSTATE_D | PSTATE_A | PSTATE_I | PSTATE_F; /* On ARMv7-M the CPSR_I is the value of the PRIMASK register, and is clear at reset. Initial SP and PC are loaded from ROM. */ if (IS_M(env)) { uint32_t pc; uint8_t *rom; env->daif &= ~PSTATE_I; rom = rom_ptr(0); if (rom) { /* We should really use ldl_phys here, in case the guest modified flash and reset itself. However images loaded via -kernel have not been copied yet, so load the values directly from there. */ env->regs[13] = ldl_p(rom) & 0xFFFFFFFC; pc = ldl_p(rom + 4); env->thumb = pc & 1; env->regs[15] = pc & ~1; } } if (env->cp15.c1_sys & SCTLR_V) { env->regs[15] = 0xFFFF0000; } env->vfp.xregs[ARM_VFP_FPEXC] = 0; #endif set_flush_to_zero(1, &env->vfp.standard_fp_status); set_flush_inputs_to_zero(1, &env->vfp.standard_fp_status); set_default_nan_mode(1, &env->vfp.standard_fp_status); set_float_detect_tininess(float_tininess_before_rounding, &env->vfp.fp_status); set_float_detect_tininess(float_tininess_before_rounding, &env->vfp.standard_fp_status); tlb_flush(s, 1); /* Reset is a state change for some CPUARMState fields which we * bake assumptions about into translated code, so we need to * tb_flush(). */ tb_flush(env); #ifndef CONFIG_USER_ONLY if (kvm_enabled()) { kvm_arm_reset_vcpu(cpu); } #endif }
/* CPUClass::reset() */ static void arm_cpu_reset(CPUState *s) { ARMCPU *cpu = ARM_CPU(s); ARMCPUClass *acc = ARM_CPU_GET_CLASS(cpu); CPUARMState *env = &cpu->env; acc->parent_reset(s); memset(env, 0, offsetof(CPUARMState, features)); g_hash_table_foreach(cpu->cp_regs, cp_reg_reset, cpu); g_hash_table_foreach(cpu->cp_regs, cp_reg_check_reset, cpu); env->vfp.xregs[ARM_VFP_FPSID] = cpu->reset_fpsid; env->vfp.xregs[ARM_VFP_MVFR0] = cpu->mvfr0; env->vfp.xregs[ARM_VFP_MVFR1] = cpu->mvfr1; env->vfp.xregs[ARM_VFP_MVFR2] = cpu->mvfr2; cpu->powered_off = cpu->start_powered_off; s->halted = cpu->start_powered_off; if (arm_feature(env, ARM_FEATURE_IWMMXT)) { env->iwmmxt.cregs[ARM_IWMMXT_wCID] = 0x69051000 | 'Q'; } if (arm_feature(env, ARM_FEATURE_AARCH64)) { /* 64 bit CPUs always start in 64 bit mode */ env->aarch64 = 1; #if defined(CONFIG_USER_ONLY) env->pstate = PSTATE_MODE_EL0t; /* Userspace expects access to DC ZVA, CTL_EL0 and the cache ops */ env->cp15.sctlr_el[1] |= SCTLR_UCT | SCTLR_UCI | SCTLR_DZE; /* and to the FP/Neon instructions */ env->cp15.cpacr_el1 = deposit64(env->cp15.cpacr_el1, 20, 2, 3); #else /* Reset into the highest available EL */ if (arm_feature(env, ARM_FEATURE_EL3)) { env->pstate = PSTATE_MODE_EL3h; } else if (arm_feature(env, ARM_FEATURE_EL2)) { env->pstate = PSTATE_MODE_EL2h; } else { env->pstate = PSTATE_MODE_EL1h; } env->pc = cpu->rvbar; #endif } else { #if defined(CONFIG_USER_ONLY) /* Userspace expects access to cp10 and cp11 for FP/Neon */ env->cp15.cpacr_el1 = deposit64(env->cp15.cpacr_el1, 20, 4, 0xf); #endif } #if defined(CONFIG_USER_ONLY) env->uncached_cpsr = ARM_CPU_MODE_USR; /* For user mode we must enable access to coprocessors */ env->vfp.xregs[ARM_VFP_FPEXC] = 1 << 30; if (arm_feature(env, ARM_FEATURE_IWMMXT)) { env->cp15.c15_cpar = 3; } else if (arm_feature(env, ARM_FEATURE_XSCALE)) { env->cp15.c15_cpar = 1; } #else /* SVC mode with interrupts disabled. */ env->uncached_cpsr = ARM_CPU_MODE_SVC; env->daif = PSTATE_D | PSTATE_A | PSTATE_I | PSTATE_F; /* On ARMv7-M the CPSR_I is the value of the PRIMASK register, and is * clear at reset. Initial SP and PC are loaded from ROM. */ if (IS_M(env)) { uint32_t initial_msp; /* Loaded from 0x0 */ uint32_t initial_pc; /* Loaded from 0x4 */ uint8_t *rom; env->daif &= ~PSTATE_I; rom = rom_ptr(0); if (rom) { /* Address zero is covered by ROM which hasn't yet been * copied into physical memory. */ initial_msp = ldl_p(rom); initial_pc = ldl_p(rom + 4); } else { /* Address zero not covered by a ROM blob, or the ROM blob * is in non-modifiable memory and this is a second reset after * it got copied into memory. In the latter case, rom_ptr * will return a NULL pointer and we should use ldl_phys instead. */ initial_msp = ldl_phys(s->as, 0); initial_pc = ldl_phys(s->as, 4); } env->regs[13] = initial_msp & 0xFFFFFFFC; env->regs[15] = initial_pc & ~1; env->thumb = initial_pc & 1; } /* AArch32 has a hard highvec setting of 0xFFFF0000. If we are currently * executing as AArch32 then check if highvecs are enabled and * adjust the PC accordingly. */ if (A32_BANKED_CURRENT_REG_GET(env, sctlr) & SCTLR_V) { env->regs[15] = 0xFFFF0000; } env->vfp.xregs[ARM_VFP_FPEXC] = 0; #endif set_flush_to_zero(1, &env->vfp.standard_fp_status); set_flush_inputs_to_zero(1, &env->vfp.standard_fp_status); set_default_nan_mode(1, &env->vfp.standard_fp_status); set_float_detect_tininess(float_tininess_before_rounding, &env->vfp.fp_status); set_float_detect_tininess(float_tininess_before_rounding, &env->vfp.standard_fp_status); tlb_flush(s, 1); #ifndef CONFIG_USER_ONLY if (kvm_enabled()) { kvm_arm_reset_vcpu(cpu); } #endif hw_breakpoint_update_all(cpu); hw_watchpoint_update_all(cpu); }
static void hangul_engine_shape (PangoEngineShape *engine, PangoFont *font, const char *text, gint length, const PangoAnalysis *analysis, PangoGlyphString *glyphs) { int n_chars, n_glyphs; int i; const char *p, *start; gunichar jamos_static[8]; gint max_jamos = G_N_ELEMENTS (jamos_static); gunichar *jamos = jamos_static; int n_jamos; n_chars = g_utf8_strlen (text, length); n_glyphs = 0; start = p = text; n_jamos = 0; for (i = 0; i < n_chars; i++) { gunichar wc; wc = g_utf8_get_char (p); /* Check syllable boundaries. */ if (n_jamos) { gunichar prev = jamos[n_jamos - 1]; if ((!IS_JAMO (wc) && !IS_S (wc) && !IS_M (wc)) || (!IS_L (prev) && IS_S (wc)) || (IS_T (prev) && IS_L (wc)) || (IS_V (prev) && IS_L (wc)) || (IS_T (prev) && IS_V (wc)) || IS_M (prev)) { /* Draw a syllable with these jamos. */ render_syllable (font, jamos, n_jamos, glyphs, &n_glyphs, start - text); n_jamos = 0; start = p; } } if (n_jamos >= max_jamos - 3) { max_jamos += 8; /* at most 3 for each syllable code (L+V+T) */ if (jamos == jamos_static) { jamos = g_new (gunichar, max_jamos); memcpy (jamos, jamos_static, n_jamos*sizeof(gunichar)); } else jamos = g_renew (gunichar, jamos, max_jamos); } if (!IS_JAMO (wc) && !IS_S (wc) && !IS_M (wc)) { render_basic (font, wc, glyphs, &n_glyphs, start - text); start = g_utf8_next_char (p); } else if (IS_S (wc)) { jamos[n_jamos++] = L_FROM_S (wc); jamos[n_jamos++] = V_FROM_S (wc); if (S_HAS_T (wc)) jamos[n_jamos++] = T_FROM_S (wc); } else if (IS_M (wc) && !n_jamos) { /* Tone mark not following syllable */ render_isolated_tone (font, wc, glyphs, &n_glyphs, start - text); start = g_utf8_next_char (p); } else jamos[n_jamos++] = wc; p = g_utf8_next_char (p); } if (n_jamos != 0) render_syllable (font, jamos, n_jamos, glyphs, &n_glyphs, start - text); if (jamos != jamos_static) g_free(jamos); }
static void render_syllable (PangoFont *font, gunichar *text, int length, PangoGlyphString *glyphs, int *n_glyphs, int cluster_offset) { int n_prev_glyphs = *n_glyphs; int index; gunichar wc, tone; int i, j, composed; if (IS_M (text[length - 1])) { tone = text[length - 1]; length--; } else tone = 0; if (length >= 3 && IS_L_S(text[0]) && IS_V_S(text[1]) && IS_T_S(text[2])) composed = 3; else if (length >= 2 && IS_L_S(text[0]) && IS_V_S(text[1])) composed = 2; else composed = 0; if (composed) { if (composed == 3) wc = S_FROM_LVT(text[0], text[1], text[2]); else wc = S_FROM_LV(text[0], text[1]); index = find_char (font, wc); pango_glyph_string_set_size (glyphs, *n_glyphs + 1); if (!index) set_glyph (font, glyphs, *n_glyphs, cluster_offset, get_unknown_glyph (font, wc)); else set_glyph (font, glyphs, *n_glyphs, cluster_offset, index); (*n_glyphs)++; text += composed; length -= composed; } /* Render the remaining text as uncomposed forms as a fallback. */ for (i = 0; i < length; i++) { int jindex; int oldlen; if (text[i] == LFILL || text[i] == VFILL) continue; index = find_char (font, text[i]); if (index) { pango_glyph_string_set_size (glyphs, *n_glyphs + 1); set_glyph (font, glyphs, *n_glyphs, cluster_offset, index); (*n_glyphs)++; continue; } /* This font has no glyphs on the Hangul Jamo area! Find a fallback from the Hangul Compatibility Jamo area. */ jindex = text[i] - LBASE; oldlen = *n_glyphs; for (j = 0; j < 3 && (__jamo_to_ksc5601[jindex][j] != 0); j++) { wc = __jamo_to_ksc5601[jindex][j] - KSC_JAMOBASE + UNI_JAMOBASE; index = (wc >= 0x3131) ? find_char (font, wc) : 0; pango_glyph_string_set_size (glyphs, *n_glyphs + 1); if (!index) { *n_glyphs = oldlen; pango_glyph_string_set_size (glyphs, *n_glyphs + 1); set_glyph (font, glyphs, *n_glyphs, cluster_offset, get_unknown_glyph (font, text[i])); (*n_glyphs)++; break; } else set_glyph (font, glyphs, *n_glyphs, cluster_offset, index); (*n_glyphs)++; } } if (n_prev_glyphs == *n_glyphs) { index = find_char (font, 0x3164); pango_glyph_string_set_size (glyphs, *n_glyphs + 1); if (!index) set_glyph (font, glyphs, *n_glyphs, cluster_offset, get_unknown_glyph (font, index)); else set_glyph (font, glyphs, *n_glyphs, cluster_offset, index); glyphs->log_clusters[*n_glyphs] = cluster_offset; (*n_glyphs)++; } if (tone) render_tone(font, tone, glyphs, n_glyphs, cluster_offset); }
/* CPUClass::reset() */ static void arm_cpu_reset(CPUState *s) { ARMCPU *cpu = ARM_CPU(s); ARMCPUClass *acc = ARM_CPU_GET_CLASS(cpu); CPUARMState *env = &cpu->env; acc->parent_reset(s); memset(env, 0, offsetof(CPUARMState, breakpoints)); g_hash_table_foreach(cpu->cp_regs, cp_reg_reset, cpu); env->vfp.xregs[ARM_VFP_FPSID] = cpu->reset_fpsid; env->vfp.xregs[ARM_VFP_MVFR0] = cpu->mvfr0; env->vfp.xregs[ARM_VFP_MVFR1] = cpu->mvfr1; if (arm_feature(env, ARM_FEATURE_IWMMXT)) { env->iwmmxt.cregs[ARM_IWMMXT_wCID] = 0x69051000 | 'Q'; } #if defined(CONFIG_USER_ONLY) env->uncached_cpsr = ARM_CPU_MODE_USR; /* For user mode we must enable access to coprocessors */ env->vfp.xregs[ARM_VFP_FPEXC] = 1 << 30; if (arm_feature(env, ARM_FEATURE_IWMMXT)) { env->cp15.c15_cpar = 3; } else if (arm_feature(env, ARM_FEATURE_XSCALE)) { env->cp15.c15_cpar = 1; } #else /* SVC mode with interrupts disabled. */ env->uncached_cpsr = ARM_CPU_MODE_SVC | CPSR_A | CPSR_F | CPSR_I; /* On ARMv7-M the CPSR_I is the value of the PRIMASK register, and is clear at reset. Initial SP and PC are loaded from ROM. */ if (IS_M(env)) { uint32_t pc; uint8_t *rom; env->uncached_cpsr &= ~CPSR_I; rom = rom_ptr(0); if (rom) { /* We should really use ldl_phys here, in case the guest modified flash and reset itself. However images loaded via -kernel have not been copied yet, so load the values directly from there. */ env->regs[13] = ldl_p(rom); pc = ldl_p(rom + 4); env->thumb = pc & 1; env->regs[15] = pc & ~1; } } env->vfp.xregs[ARM_VFP_FPEXC] = 0; #endif set_flush_to_zero(1, &env->vfp.standard_fp_status); set_flush_inputs_to_zero(1, &env->vfp.standard_fp_status); set_default_nan_mode(1, &env->vfp.standard_fp_status); set_float_detect_tininess(float_tininess_before_rounding, &env->vfp.fp_status); set_float_detect_tininess(float_tininess_before_rounding, &env->vfp.standard_fp_status); tlb_flush(env, 1); /* Reset is a state change for some CPUARMState fields which we * bake assumptions about into translated code, so we need to * tb_flush(). */ tb_flush(env); }
static void hangul_engine_shape (PangoEngineShape *engine, PangoFont *font, const char *text, gint length, const PangoAnalysis *analysis, PangoGlyphString *glyphs) { int n_chars = g_utf8_strlen (text, length); int n_glyphs; int i; const char *p, *start; int n_jamos; gunichar prev = 0; n_glyphs = 0; start = p = text; n_jamos = 0; for (i = 0; i < n_chars; i++) { gunichar wc; wc = g_utf8_get_char (p); /* Check syllable boundaries. */ if (n_jamos && IS_BOUNDARY (prev, wc)) { if (n_jamos == 1 && IS_S (prev)) /* common case which the most people use */ render_basic (font, prev, glyphs, &n_glyphs, start - text); else /* possibly complex composition */ render_syllable (font, start, n_jamos, glyphs, &n_glyphs, start - text); n_jamos = 0; start = p; } prev = wc; if (!IS_HANGUL (wc)) { render_basic (font, wc, glyphs, &n_glyphs, start - text); start = g_utf8_next_char (p); } else if (IS_M (wc) && !n_jamos) { /* Tone mark not following syllable */ render_isolated_tone (font, wc, glyphs, &n_glyphs, start - text); start = g_utf8_next_char (p); } else n_jamos++; p = g_utf8_next_char (p); } if (n_jamos == 1 && IS_S (prev)) render_basic (font, prev, glyphs, &n_glyphs, start - text); else if (n_jamos > 0) render_syllable (font, start, n_jamos, glyphs, &n_glyphs, start - text); }
static void render_syllable (PangoFont *font, const char *str, int length, PangoGlyphString *glyphs, int *n_glyphs, int cluster_offset) { int n_prev_glyphs = *n_glyphs; int index; gunichar wc = 0, tone = 0, text[4]; int i, j, composed = 0; const char *p; /* Normalize it only when the entire sequence is equivalent to a * precomposed syllable. It's usually better than prefix * normalization both for poor-featured fonts and for smart fonts. * I have seen no smart font which can render S+T as a syllable * form. */ if (length == 3 || length == 4) { p = str; text[0] = g_utf8_get_char(p); p = g_utf8_next_char(p); text[1] = g_utf8_get_char(p); p = g_utf8_next_char(p); text[2] = g_utf8_get_char(p); if (length == 4 && !IS_M(g_utf8_get_char(g_utf8_next_char(p)))) goto lvt_out; /* draw the tone mark later */ if (IS_L_S(text[0]) && IS_V_S(text[1]) && IS_T_S(text[2])) { composed = 3; wc = S_FROM_LVT(text[0], text[1], text[2]); str = g_utf8_next_char(p); goto normalize_out; } } lvt_out: if (length == 2 || length == 3) { p = str; text[0] = g_utf8_get_char(p); p = g_utf8_next_char(p); text[1] = g_utf8_get_char(p); if (length == 3 && !IS_M(g_utf8_get_char(g_utf8_next_char(p)))) goto lv_out; /* draw the tone mark later */ if (IS_L_S(text[0]) && IS_V_S(text[1])) { composed = 2; wc = S_FROM_LV(text[0], text[1]); str = g_utf8_next_char(p); } else if (IS_S(text[0] && !S_HAS_T(text[0]) && IS_T_S(text[1]))) { composed = 2; wc = text[0] + (text[1] - TBASE); str = g_utf8_next_char(p); goto normalize_out; } } lv_out: normalize_out: if (composed) { index = find_char (font, wc); pango_glyph_string_set_size (glyphs, *n_glyphs + 1); if (!index) set_glyph (font, glyphs, *n_glyphs, cluster_offset, PANGO_GET_UNKNOWN_GLYPH (wc)); else set_glyph (font, glyphs, *n_glyphs, cluster_offset, index); (*n_glyphs)++; length -= composed; } /* Render the remaining text as uncomposed forms as a fallback. */ for (i = 0; i < length; i++, str = g_utf8_next_char(str)) { int jindex; int oldlen; wc = g_utf8_get_char(str); if (wc == LFILL || wc == VFILL) continue; if (IS_M(wc)) { tone = wc; break; } if (IS_S(wc)) { oldlen = *n_glyphs; text[0] = L_FROM_S(wc); text[1] = V_FROM_S(wc); if (S_HAS_T(wc)) { text[2] = T_FROM_S(wc); composed = 3; } else composed = 2; for (j = 0; j < composed; j++) { index = find_char (font, text[j]); if (index) { pango_glyph_string_set_size (glyphs, *n_glyphs + 1); set_glyph (font, glyphs, *n_glyphs, cluster_offset, index); (*n_glyphs)++; } else goto decompose_cancel; } continue; decompose_cancel: /* The font doesn't have jamos. Cancel it. */ *n_glyphs = oldlen; pango_glyph_string_set_size (glyphs, *n_glyphs); } index = find_char (font, wc); if (index) { pango_glyph_string_set_size (glyphs, *n_glyphs + 1); set_glyph (font, glyphs, *n_glyphs, cluster_offset, index); (*n_glyphs)++; continue; } else if (IS_S(wc)) { pango_glyph_string_set_size (glyphs, *n_glyphs + 1); set_glyph (font, glyphs, *n_glyphs, cluster_offset, PANGO_GET_UNKNOWN_GLYPH (wc)); (*n_glyphs)++; continue; } /* This font has no glyphs on the Hangul Jamo area! Find a fallback from the Hangul Compatibility Jamo area. */ jindex = wc - LBASE; oldlen = *n_glyphs; for (j = 0; j < 3 && (__jamo_to_ksc5601[jindex][j] != 0); j++) { wc = __jamo_to_ksc5601[jindex][j] - KSC_JAMOBASE + UNI_JAMOBASE; index = (wc >= 0x3131) ? find_char (font, wc) : 0; pango_glyph_string_set_size (glyphs, *n_glyphs + 1); if (!index) { *n_glyphs = oldlen; pango_glyph_string_set_size (glyphs, *n_glyphs + 1); set_glyph (font, glyphs, *n_glyphs, cluster_offset, PANGO_GET_UNKNOWN_GLYPH (text[i])); (*n_glyphs)++; break; } else set_glyph (font, glyphs, *n_glyphs, cluster_offset, index); (*n_glyphs)++; } } if (n_prev_glyphs == *n_glyphs) { index = find_char (font, 0x3164); /* U+3164 HANGUL FILLER */ pango_glyph_string_set_size (glyphs, *n_glyphs + 1); if (!index) set_glyph (font, glyphs, *n_glyphs, cluster_offset, PANGO_GET_UNKNOWN_GLYPH (index)); else set_glyph (font, glyphs, *n_glyphs, cluster_offset, index); glyphs->log_clusters[*n_glyphs] = cluster_offset; (*n_glyphs)++; } if (tone) render_tone(font, tone, glyphs, n_glyphs, cluster_offset); }