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Initial commit for bsd-user-e2k

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Gleb Popov 2021-08-25 21:13:32 +03:00
parent 823a3f11fb
commit f8535a69f3
12 changed files with 628 additions and 0 deletions
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34
bsd-user/e2k/target_arch.h Normal file
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/*
* E2K 32-bit specific prototypes for bsd-user
*
* 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 _TARGET_ARCH_H_
#define _TARGET_ARCH_H_
#include "qemu.h"
#endif /* !_TARGET_ARCH_H_ */

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bsd-user/e2k/target_arch_cpu.c Normal file
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/*
* E2K CPU related code
*
* 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.
*/
#include "target_arch.h"

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bsd-user/e2k/target_arch_cpu.h Normal file
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/*
* E2K cpu init and loop
*
* 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 _TARGET_ARCH_CPU_H_
#define _TARGET_ARCH_CPU_H_
#include "target_arch.h"
#define TARGET_DEFAULT_CPU_MODEL "e8c"
static inline void target_cpu_init(CPUE2KState *env,
struct target_pt_regs *regs)
{
assert(0 && "target_cpu_init not implemented yet");
}
static inline void target_cpu_loop(CPUE2KState *env)
{
CPUState *cs = env_cpu(env);
int trapnr;
for (;;) {
cpu_exec_start(cs);
trapnr = cpu_exec(cs);
cpu_exec_end(cs);
process_queued_cpu_work(cs);
switch (trapnr) {
default:
fprintf(stderr, "Unhandled trap: 0x%x\n", trapnr);
cpu_dump_state(cs, stderr, 0);
abort();
}
process_pending_signals(env);
}
}
static inline void target_cpu_clone_regs(CPUE2KState *env, target_ulong newsp)
{
if (newsp)
env->usd.curptr = newsp;
}
static inline void target_cpu_set_tls(CPUE2KState *env, target_ulong newtls)
{
assert(0 && "target_cpu_set_tls not implemented yet");
}
#endif /* !_TARGET_ARCH_CPU_H */

42
bsd-user/e2k/target_arch_elf.h Normal file
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/*
* E2K ELF 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 _TARGET_ARCH_ELF_H_
#define _TARGET_ARCH_ELF_H_
#define elf_check_arch(x) ( (x) == EM_MCST_ELBRUS )
#define ELF_START_MMAP 0x80000000
#define ELF_ET_DYN_LOAD_ADDR 0x100000
#define ELF_CLASS ELFCLASS64
#define ELF_DATA ELFDATA2LSB
#define ELF_ARCH EM_MCST_ELBRUS
#define ELF_HWCAP 0
#endif /* _TARGET_ARCH_ELF_H_ */

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bsd-user/e2k/target_arch_reg.h Normal file
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/*
* E2K register structures
*
* 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 _TARGET_ARCH_REG_H_
#define _TARGET_ARCH_REG_H_
#endif /* !_TARGET_ARCH_REG_H_ */

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bsd-user/e2k/target_arch_signal.h Normal file
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/*
* E2K signal 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 _TARGET_ARCH_SIGNAL_H_
#define _TARGET_ARCH_SIGNAL_H_
#include "cpu.h"
#define MAX_TC_SIZE 10
#define TIR_NUM 19
#define DAM_ENTRIES_NUM 32
#define SBBP_ENTRIES_NUM 32
/* from user.h !!! */
#define MLT_NUM (16 * 3) /* common for E3M and E3S */
#define TARGET_MINSIGSTKSZ (512 * 4) /* min sig stack size */
#define TARGET_MC_GET_CLEAR_RET 0x0001
typedef struct target_mcontext {
abi_ullong cr0_lo;
abi_ullong cr0_hi;
abi_ullong cr1_lo;
abi_ullong cr1_hi;
abi_ullong sbr; /* 21 Stack base register: top of */
/* local data (user) stack */
abi_ullong usd_lo; /* 22 Local data (user) stack */
abi_ullong usd_hi; /* 23 descriptor: base & size */
abi_ullong psp_lo; /* 24 Procedure stack pointer: */
abi_ullong psp_hi; /* 25 base & index & size */
abi_ullong pcsp_lo; /* 26 Procedure chain stack */
abi_ullong pcsp_hi; /* 27 pointer: base & index & size */
/* additional part (for binary compiler) */
abi_ullong rpr_hi;
abi_ullong rpr_lo;
abi_ullong nr_TIRs;
abi_ullong tir_lo[TIR_NUM];
abi_ullong tir_hi[TIR_NUM];
abi_ullong trap_cell_addr[MAX_TC_SIZE];
abi_ullong trap_cell_val[MAX_TC_SIZE];
uint8_t trap_cell_tag[MAX_TC_SIZE];
abi_ullong trap_cell_info[MAX_TC_SIZE];
abi_ullong dam[DAM_ENTRIES_NUM];
abi_ullong sbbp[SBBP_ENTRIES_NUM];
abi_ullong mlt[MLT_NUM];
abi_ullong upsr;
} target_mcontext_t;
typedef struct target_ucontext {
target_sigset_t uc_sigmask;
target_mcontext_t uc_mcontext;
abi_ulong uc_link;
target_stack_t uc_stack;
int32_t uc_flags;
int32_t __spare__[4];
} target_ucontext_t;
struct target_sigframe {
target_siginfo_t sf_si;
union {
target_ucontext_t sf_uc;
// TODO: ucontext_prot
};
/* FIXME: move this data to TaskState? */
E2KAauState aau;
uint64_t lsr;
uint64_t lsr_lcnt;
uint32_t ilcr;
uint64_t ilcr_lcnt;
// FIXME: according to ABI only 16-31 must be saved
E2KReg gregs[16];
uint8_t gtags[16];
};
static inline abi_long set_sigtramp_args(CPUE2KState *regs,
int sig, struct target_sigframe *frame, abi_ulong frame_addr,
struct target_sigaction *ka)
{
assert(0 && "set_sigtramp_args not implemented yet");
/* XXX */
return -TARGET_EOPNOTSUPP;
}
static inline abi_long get_mcontext(CPUE2KState *regs,
target_mcontext_t *mcp, int flags)
{
assert(0 && "get_mcontext not implemented yet");
/* XXX */
return -TARGET_EOPNOTSUPP;
}
static inline abi_long set_mcontext(CPUE2KState *regs,
target_mcontext_t *mcp, int srflag)
{
assert(0 && "set_mcontext not implemented yet");
/* XXX */
return -TARGET_EOPNOTSUPP;
}
static inline abi_long get_ucontext_sigreturn(CPUE2KState *regs,
abi_ulong target_sf, abi_ulong *target_uc)
{
/* XXX */
*target_uc = 0;
assert(0 && "get_ucontext_sigreturn not implemented yet");
return -TARGET_EOPNOTSUPP;
}
#endif /* !TARGET_ARCH_SIGNAL_H_ */

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bsd-user/e2k/target_arch_sigtramp.h Normal file
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/*
* E2K sigcode for bsd-user
*
* 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 _TARGET_ARCH_SIGTRAMP_H_
#define _TARGET_ARCH_SIGTRAMP_H_
static inline abi_long setup_sigtramp(abi_ulong offset, unsigned sigf_uc,
unsigned sys_sigreturn)
{
assert(0 && "setup_sigtramp is not implemented yet");
return -TARGET_EOPNOTSUPP;
}
#endif /* _TARGET_ARCH_SIGTRAMP_H_ */

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bsd-user/e2k/target_arch_sysarch.h Normal file
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/*
* E2K sysarch() system call emulation
*
* 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_SYSARCH_H_
#define __ARCH_SYSARCH_H_
#include "target_syscall.h"
#include "target_arch.h"
static inline abi_long do_freebsd_arch_sysarch(CPUE2KState *env, int op,
abi_ulong parms)
{
return -TARGET_EINVAL;
}
static inline void do_freebsd_arch_print_sysarch(
const struct syscallname *name, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5, abi_long arg6)
{
gemu_log("%s(%d, " TARGET_ABI_FMT_lx ", " TARGET_ABI_FMT_lx ", "
TARGET_ABI_FMT_lx ")", name->name, (int)arg1, arg2, arg3, arg4);
}
#endif /*!__ARCH_SYSARCH_H_ */

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bsd-user/e2k/target_arch_thread.h Normal file
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/*
* E2K thread support
*
* 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 _TARGET_ARCH_THREAD_H_
#define _TARGET_ARCH_THREAD_H_
static inline void target_thread_set_upcall(CPUE2KState *regs, abi_ulong entry,
abi_ulong arg, abi_ulong stack_base, abi_ulong stack_size)
{
assert(0 && "target_thread_set_upcall is not implemented yet");
}
static inline void target_thread_init(struct target_pt_regs *regs,
struct image_info *infop)
{
assert(0 && "target_thread_init is not implemented yet");
}
#endif /* !_TARGET_ARCH_THREAD_H_ */

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bsd-user/e2k/target_arch_vmparam.h Normal file
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/*
* E2K VM parameters 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 _TARGET_ARCH_VMPARAM_H_
#define _TARGET_ARCH_VMPARAM_H_
#include "cpu.h"
// TODO: find out proper values for these constants
#define TARGET_MAXTSIZ (128UL*1024*1024) /* max text size */
#define TARGET_DFLDSIZ (32768UL*1024*1024) /* initial data size limit */
#define TARGET_MAXDSIZ (32768UL*1024*1024) /* max data size */
#define TARGET_DFLSSIZ (8UL*1024*1024) /* initial stack size limit */
#define TARGET_MAXSSIZ (512UL*1024*1024) /* max stack size */
#define TARGET_SGROWSIZ (128UL*1024) /* amount to grow stack */
#define TARGET_VM_MAXUSER_ADDRESS (0x00007fffff000000UL)
#define TARGET_USRSTACK (TARGET_VM_MAXUSER_ADDRESS - TARGET_PAGE_SIZE)
static inline abi_ulong get_sp_from_cpustate(CPUE2KState *state)
{
return state->usd.curptr;
}
static inline void set_second_rval(CPUE2KState *state, abi_ulong retval2)
{
assert(0 && "set_second_rval not implemented yet");
}
#endif /* !_TARGET_ARCH_VMPARAM_H_ */

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/*
* 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_ */

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configs/targets/e2k-bsd-user.mak Normal file
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TARGET_ARCH=e2k
TARGET_XML_FILES= gdb-xml/e2k-v1.xml gdb-xml/e2k-v2.xml gdb-xml/e2k-v3.xml gdb-xml/e2k-v5.xml