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/qemu/tests/tcg/i386/
H A Dtest-i386-shift.h37 /* overflow is undefined if count != 1 */ in exec_opq()
51 /* overflow is undefined if count != 1 */ in exec_opl()
64 /* overflow is undefined if count != 1 */ in exec_opw()
88 /* overflow is undefined if count != 1 */ in exec_opq()
102 /* overflow is undefined if count != 1 */ in exec_opl()
115 /* overflow is undefined if count != 1 */ in exec_opw()
131 /* overflow is undefined if count != 1 */ in exec_opb()
/qemu/hw/gpio/
H A Dnpcm7xx_gpio.c93 uint32_t undefined; in npcm7xx_gpio_update_pins() local
104 * external driver, the result is undefined. in npcm7xx_gpio_update_pins()
106 undefined = drive_en & s->ext_driven & (drive_lvl ^ s->ext_level); in npcm7xx_gpio_update_pins()
107 if (undefined) { in npcm7xx_gpio_update_pins()
110 DEVICE(s)->canonical_path, undefined); in npcm7xx_gpio_update_pins()
122 /* Pins not driven, pulled up or pulled down are undefined */ in npcm7xx_gpio_update_pins()
123 undefined |= not_driven & ~(s->regs[NPCM7XX_GPIO_PU] in npcm7xx_gpio_update_pins()
128 pin_diff |= undefined & diff; in npcm7xx_gpio_update_pins()
135 int level = (undefined & mask) ? -1 : !!(s->pin_level & mask); in npcm7xx_gpio_update_pins()
/qemu/target/i386/tcg/
H A Dcc_helper_template.h.inc182 af = 0; /* undefined */
201 af = 0; /* undefined */
218 af = 0; /* undefined */
230 pf = 0; /* undefined */
231 af = 0; /* undefined */
248 pf = 0; /* undefined */
249 af = 0; /* undefined */
/qemu/tests/tcg/arm/system/
H A Dtest-armv6m-undef.S2 * Test ARMv6-M UNDEFINED 32-bit instructions
11 * Test that UNDEFINED 32-bit instructions fault as expected. This is an
60 /* The following 32-bit UNDEFINED instructions are tested by executing
H A Dboot.S34 b undef_instr /* undefined instruction vector */
281 .ascii "Undefined Instruction Exception Occurred.\n\0"
/qemu/include/qemu/
H A Dfifo32.h84 * Push a 32 bits data word to the FIFO. Behaviour is undefined if the FIFO
105 * Push a 32 bit word array to the FIFO. Behaviour is undefined if the FIFO
124 * Pop a 32 bits data word from the FIFO. Behaviour is undefined if the FIFO
H A Dhost-utils.h134 * undefined if the value is zero.
149 * undefined if the value is zero.
164 * undefined if the value is zero.
187 * undefined if the value is zero.
210 * undefined if the value is zero.
222 * undefined if the value is zero.
234 * undefined if the value is zero.
257 * undefined if the value is zero.
729 /* Avoid undefined shift by 64 */ in pow2floor()
H A Dfifo8.h37 * Push a data byte to the FIFO. Behaviour is undefined if the FIFO is full.
48 * Push a byte array to the FIFO. Behaviour is undefined if the FIFO is full.
58 * Pop a data byte from the FIFO. Behaviour is undefined if the FIFO is empty.
H A Drange.h198 * Undefined for ranges that wrap around 0. */
212 * Undefined if ranges that wrap around 0. */
/qemu/tests/decode/
H A Derr_field10.decode4 # Diagnose formats which refer to undefined fields
H A Derr_field8.decode4 # Diagnose patterns which refer to undefined fields
/qemu/target/loongarch/tcg/insn_trans/
H A Dtrans_privileged.c.inc113 /* CSR is undefined: read as 0. */
140 /* CSR is undefined: write ignored, read old_value as 0. */
173 /* CSR is undefined: write ignored, read old_value as 0. */
/qemu/tests/docker/
H A Dtest-clang21 OPTS="$OPTS --extra-cflags=-fsanitize=undefined \
/qemu/target/m68k/
H A Dop_helper.c547 /* Flags are current in env->cc_*, or are undefined. */ in raise_exception_format2()
577 * whereas documentation says "undefined" in HELPER()
606 * whereas documentation says "undefined" in HELPER()
696 * whereas documentation says "undefined" in HELPER()
733 * whereas documentation says "undefined" in HELPER()
1075 * X: Not affected, C,V,Z: Undefined, in HELPER()
1076 * N: Set if val < 0; cleared if val > ub, undefined otherwise in HELPER()
1095 * X: Not affected, N,V: Undefined, in HELPER()
/qemu/include/exec/
H A Dtarget_long.h41 #error TARGET_LONG_SIZE undefined
/qemu/docs/devel/
H A Dtcg-ops.rst27 An operation with *undefined behavior* may result in a crash.
31 an *undefined result*.
283 | Undefined behavior if division by zero or overflow.
288 | Undefined behavior if division by zero.
293 | Undefined behavior if division by zero or overflow.
298 | Undefined behavior if division by zero.
304 | Undefined behaviour if division by zero, or the double-word
314 | Undefined behaviour if division by zero, or the double-word
/qemu/scripts/coccinelle/
H A Dinplace-byteswaps.cocci3 // undefined behaviour if the expression being swapped is a field in a
/qemu/linux-user/arm/nwfpe/
H A Dfpopcode.h117 | 1 | 1 | 0 | 1 | | undefined instruction | trap |
118 | 1 | 1 | 1 | 0 | | undefined instruction | trap |
119 | 1 | 1 | 1 | 1 | | undefined instruction | trap |
159 | undefined (trap) | 1 | 1 |
/qemu/rust/qemu-api/src/
H A Dzeroable.rs6 /// `MaybeUninit::<Self>::zeroed().assume_init()` does not cause undefined
/qemu/include/hw/net/
H A Dnpcm7xx_emc.h221 /* Owner: 0b00 = cpu, 0b01 = undefined, 0b10 = emc, 0b11 = undefined */
/qemu/linux-user/x86_64/
H A Dtarget_syscall.h26 /* cpu exception frame or undefined */
/qemu/hw/core/
H A Dregister.c82 qemu_log_mask(LOG_GUEST_ERROR, "%s: write to undefined device state " in register_write()
136 qemu_log_mask(LOG_GUEST_ERROR, "%s: read from undefined device state\n", in register_read()
/qemu/include/hw/xen/interface/
H A Dgrant_table.h346 * 1. The call may fail in an undefined manner if either mapping is not
485 * 1. The call may fail in an undefined manner if either mapping is not
627 #define GNTST_general_error (-1) /* General undefined error. */
644 "undefined error", \
/qemu/pc-bios/
HDopenbios-sparc32( 8 H ! ` x p " p # $ 0 @ p % ` p x @ A B ( ...
/qemu/qapi/
H A Djob.json46 # @undefined: Erroneous, default state. Should not ever be visible.
86 'data': ['undefined', 'created', 'running', 'paused', 'ready', 'standby',

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