84 lines
3.0 KiB
C
84 lines
3.0 KiB
C
/*
|
|
* E2K system call definitions
|
|
*
|
|
* Copyright (c) 2021 Gleb Popov <arrowd@freebsd.org>
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without modification,
|
|
* are permitted provided that the following conditions are met:
|
|
* 1. Redistributions of source code must retain the above copyright notice,
|
|
* this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the copyright holder nor the names of its contributors may
|
|
* be used to endorse or promote products derived from this software without specific
|
|
* prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
|
|
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
|
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
|
|
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
|
|
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef __ARCH_SYSCALL_H_
|
|
#define __ARCH_SYSCALL_H_
|
|
|
|
#define E2K_DEFAULT_PCS_SIZE (TARGET_PAGE_SIZE)
|
|
#define E2K_DEFAULT_PS_SIZE (TARGET_PAGE_SIZE * 4)
|
|
|
|
struct target_pt_regs {
|
|
/* special registers */
|
|
uint64_t wd; // Current window descriptor (WD)
|
|
|
|
uint64_t sbr; // User Stack Base Register (USBR/SBR)
|
|
// SBR - contains the base (top) virtual address of the current User Stack area.
|
|
|
|
// uint64_t tr; // current type register
|
|
|
|
E2KPsp pcsp;
|
|
E2KPsp psp;
|
|
|
|
uint32_t psr; // Processor State Register (PSR)
|
|
uint32_t upsr; // User processor status register (UPSR)
|
|
uint64_t ip; // instruction pointer
|
|
uint64_t nip; // next instruction pointer
|
|
|
|
uint64_t ctpr1; // Control Transfer Preparation Register (CTPR)
|
|
uint64_t ctpr2;
|
|
uint64_t ctpr3;
|
|
|
|
uint32_t pfpfr; // Packed Floating Point Flag Register (PFPFR)
|
|
uint32_t fpcr; // Floating point control register (FPCR)
|
|
uint32_t fpsr; // Floating point state register (FPSR)
|
|
|
|
// borrowed from Embox OS
|
|
uint64_t lsr; // Loop status register (LSR)
|
|
uint64_t ilcr; // Loop counter register (ILCR)
|
|
|
|
uint64_t dr0;
|
|
|
|
uint64_t cr0_hi;
|
|
uint64_t cr1_lo;
|
|
uint64_t cr1_hi;
|
|
uint64_t pcsp_hi;
|
|
uint64_t pcsp_lo;
|
|
uint64_t usd_lo; // User data
|
|
uint64_t usd_hi;
|
|
|
|
uint64_t gbase[32];
|
|
uint16_t gext[32];
|
|
};
|
|
|
|
#define UNAME_MACHINE "e2k"
|
|
|
|
#define TARGET_HW_MACHINE "e2k"
|
|
#define TARGET_HW_MACHINE_ARCH UNAME_MACHINE
|
|
|
|
#endif /* !__ARCH_SYSCALL_H_ */
|