Lines Matching defs:bit
105 * Invoke a 32-bit syscall. Called with IRQs on in CONTEXT_KERNEL.
127 const u32 bit = BIT(0x80 % 32);
140 return apic_read(APIC_ISR + offs) & bit;
144 * int80_emulation - 32-bit legacy syscall entry
146 * This entry point can be used by 32-bit and 64-bit programs to perform
147 * 32-bit system calls. Instances of INT $0x80 can be found inline in
150 * entry method. Restarted 32-bit system calls also fall back to INT
192 * that the regs::orig_ax contains a 32-bit number on invoking
193 * a 32-bit syscall.
195 * Establish the syscall convention by saving the 32bit truncated
212 /* Handles int $0x80 on a 32bit kernel */
304 * SYSRETL is available on all 64-bit CPUs, so we don't need to
307 * Unlike 64-bit opportunistic SYSRET, we can't check that CX == IP,
318 * Unlike 64-bit opportunistic SYSRET, we can't check that CX == IP,