diff options
author | Paolo Bonzini <pbonzini@redhat.com> | 2012-05-29 10:23:15 +0200 |
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committer | Paolo Bonzini <pbonzini@redhat.com> | 2012-06-07 07:17:36 +0200 |
commit | 5e8861a0361d8d39ab69fe557294471c28c49c8b (patch) | |
tree | 5843d3c0fd3de2d897721337792278ed1625a656 /xtensa-semi.c | |
parent | 7fc5152c6dca17d6061cc399c46716d9e586ad85 (diff) |
build: move obj-TARGET-y variables to nested Makefile.objs
Also drop duplicate occurrence of device-hotplug.o.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'xtensa-semi.c')
-rw-r--r-- | xtensa-semi.c | 224 |
1 files changed, 0 insertions, 224 deletions
diff --git a/xtensa-semi.c b/xtensa-semi.c deleted file mode 100644 index b7c8c34564..0000000000 --- a/xtensa-semi.c +++ /dev/null @@ -1,224 +0,0 @@ -/* - * Copyright (c) 2011, Max Filippov, Open Source and Linux Lab. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * 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. - * * Neither the name of the Open Source and Linux Lab 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 AUTHOR 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 <errno.h> -#include <unistd.h> -#include <string.h> -#include <stddef.h> -#include "cpu.h" -#include "dyngen-exec.h" -#include "helper.h" -#include "qemu-log.h" - -enum { - TARGET_SYS_exit = 1, - TARGET_SYS_read = 3, - TARGET_SYS_write = 4, - TARGET_SYS_open = 5, - TARGET_SYS_close = 6, - TARGET_SYS_lseek = 19, - TARGET_SYS_select_one = 29, - - TARGET_SYS_argc = 1000, - TARGET_SYS_argv_sz = 1001, - TARGET_SYS_argv = 1002, - TARGET_SYS_memset = 1004, -}; - -enum { - SELECT_ONE_READ = 1, - SELECT_ONE_WRITE = 2, - SELECT_ONE_EXCEPT = 3, -}; - -void HELPER(simcall)(CPUXtensaState *env) -{ - uint32_t *regs = env->regs; - - switch (regs[2]) { - case TARGET_SYS_exit: - qemu_log("exit(%d) simcall\n", regs[3]); - exit(regs[3]); - break; - - case TARGET_SYS_read: - case TARGET_SYS_write: - { - bool is_write = regs[2] == TARGET_SYS_write; - uint32_t fd = regs[3]; - uint32_t vaddr = regs[4]; - uint32_t len = regs[5]; - - while (len > 0) { - target_phys_addr_t paddr = - cpu_get_phys_page_debug(env, vaddr); - uint32_t page_left = - TARGET_PAGE_SIZE - (vaddr & (TARGET_PAGE_SIZE - 1)); - uint32_t io_sz = page_left < len ? page_left : len; - target_phys_addr_t sz = io_sz; - void *buf = cpu_physical_memory_map(paddr, &sz, is_write); - - if (buf) { - vaddr += io_sz; - len -= io_sz; - regs[2] = is_write ? - write(fd, buf, io_sz) : - read(fd, buf, io_sz); - regs[3] = errno; - cpu_physical_memory_unmap(buf, sz, is_write, sz); - if (regs[2] == -1) { - break; - } - } else { - regs[2] = -1; - regs[3] = EINVAL; - break; - } - } - } - break; - - case TARGET_SYS_open: - { - char name[1024]; - int rc; - int i; - - for (i = 0; i < ARRAY_SIZE(name); ++i) { - rc = cpu_memory_rw_debug( - env, regs[3] + i, (uint8_t *)name + i, 1, 0); - if (rc != 0 || name[i] == 0) { - break; - } - } - - if (rc == 0 && i < ARRAY_SIZE(name)) { - regs[2] = open(name, regs[4], regs[5]); - regs[3] = errno; - } else { - regs[2] = -1; - regs[3] = EINVAL; - } - } - break; - - case TARGET_SYS_close: - if (regs[3] < 3) { - regs[2] = regs[3] = 0; - } else { - regs[2] = close(regs[3]); - regs[3] = errno; - } - break; - - case TARGET_SYS_lseek: - regs[2] = lseek(regs[3], (off_t)(int32_t)regs[4], regs[5]); - regs[3] = errno; - break; - - case TARGET_SYS_select_one: - { - uint32_t fd = regs[3]; - uint32_t rq = regs[4]; - uint32_t target_tv = regs[5]; - uint32_t target_tvv[2]; - - struct timeval tv = {0}; - fd_set fdset; - - FD_ZERO(&fdset); - FD_SET(fd, &fdset); - - if (target_tv) { - cpu_memory_rw_debug(env, target_tv, - (uint8_t *)target_tvv, sizeof(target_tvv), 0); - tv.tv_sec = (int32_t)tswap32(target_tvv[0]); - tv.tv_usec = (int32_t)tswap32(target_tvv[1]); - } - regs[2] = select(fd + 1, - rq == SELECT_ONE_READ ? &fdset : NULL, - rq == SELECT_ONE_WRITE ? &fdset : NULL, - rq == SELECT_ONE_EXCEPT ? &fdset : NULL, - target_tv ? &tv : NULL); - regs[3] = errno; - } - break; - - case TARGET_SYS_argc: - regs[2] = 1; - regs[3] = 0; - break; - - case TARGET_SYS_argv_sz: - regs[2] = 128; - regs[3] = 0; - break; - - case TARGET_SYS_argv: - { - struct Argv { - uint32_t argptr[2]; - char text[120]; - } argv = { - {0, 0}, - "test" - }; - - argv.argptr[0] = tswap32(regs[3] + offsetof(struct Argv, text)); - cpu_memory_rw_debug( - env, regs[3], (uint8_t *)&argv, sizeof(argv), 1); - } - break; - - case TARGET_SYS_memset: - { - uint32_t base = regs[3]; - uint32_t sz = regs[5]; - - while (sz) { - target_phys_addr_t len = sz; - void *buf = cpu_physical_memory_map(base, &len, 1); - - if (buf && len) { - memset(buf, regs[4], len); - cpu_physical_memory_unmap(buf, len, 1, len); - } else { - len = 1; - } - base += len; - sz -= len; - } - regs[2] = regs[3]; - regs[3] = 0; - } - break; - - default: - qemu_log("%s(%d): not implemented\n", __func__, regs[2]); - break; - } -} |