diff options
Diffstat (limited to 'qtmips_osemu')
| -rw-r--r-- | qtmips_osemu/ossyscall.cpp | 47 | ||||
| -rw-r--r-- | qtmips_osemu/ossyscall.h | 18 |
2 files changed, 57 insertions, 8 deletions
diff --git a/qtmips_osemu/ossyscall.cpp b/qtmips_osemu/ossyscall.cpp index 79052da..584a011 100644 --- a/qtmips_osemu/ossyscall.cpp +++ b/qtmips_osemu/ossyscall.cpp @@ -205,7 +205,7 @@ static const mips_syscall_desc_t mips_syscall_args[] = { MIPS_SYS(sys_flock , 2, syscall_default_handler) MIPS_SYS(sys_msync , 3, syscall_default_handler) MIPS_SYS(sys_readv , 3, syscall_default_handler) /* 4145 */ - MIPS_SYS(sys_writev , 3, syscall_default_handler) + MIPS_SYS(sys_writev , 3, do_sys_writev) MIPS_SYS(sys_cacheflush , 3, syscall_default_handler) MIPS_SYS(sys_cachectl , 3, syscall_default_handler) MIPS_SYS(sys_sysmips , 4, syscall_default_handler) @@ -342,7 +342,7 @@ static const mips_syscall_desc_t mips_syscall_args[] = { MIPS_SYS(sys_add_key , 5, syscall_default_handler) MIPS_SYS(sys_request_key, 4, syscall_default_handler) MIPS_SYS(sys_keyctl , 5, syscall_default_handler) - MIPS_SYS(sys_set_thread_area, 1, syscall_default_handler) + MIPS_SYS(sys_set_thread_area, 1, do_sys_set_thread_area) MIPS_SYS(sys_inotify_init, 0, syscall_default_handler) MIPS_SYS(sys_inotify_add_watch, 3, syscall_default_handler) /* 4285 */ MIPS_SYS(sys_inotify_rm_watch, 2, syscall_default_handler) @@ -514,7 +514,50 @@ int OsSyscallExceptionHandler::syscall_default_handler(std::uint32_t &result, Co (unsigned long)a3, (unsigned long)a4); #endif + (void)core; (void)syscall_num; (void)a1; (void)a2; (void)a3; (void)a4; (void)a5; (void)a6; (void)a7; (void)a8; result = 0; return 0; } + +int OsSyscallExceptionHandler::do_sys_set_thread_area(std::uint32_t &result, Core *core, + std::uint32_t syscall_num, + std::uint32_t a1, std::uint32_t a2, std::uint32_t a3, + std::uint32_t a4, std::uint32_t a5, std::uint32_t a6, + std::uint32_t a7, std::uint32_t a8) { + (void)core; (void)syscall_num; + (void)a1; (void)a2; (void)a3; (void)a4; (void)a5; (void)a6; (void)a7; (void)a8; + core->set_c0_userlocal(a1); + result = 0; + return 0; +} + +// ssize_t writev(int fd, const struct iovec *iov, int iovcnt); +int OsSyscallExceptionHandler::do_sys_writev(std::uint32_t &result, Core *core, + std::uint32_t syscall_num, + std::uint32_t a1, std::uint32_t a2, std::uint32_t a3, + std::uint32_t a4, std::uint32_t a5, std::uint32_t a6, + std::uint32_t a7, std::uint32_t a8) { + (void)core; (void)syscall_num; + (void)a1; (void)a2; (void)a3; (void)a4; (void)a5; (void)a6; (void)a7; (void)a8; + + result = 0; + int fd = a1; + std::uint32_t iov = a2; + int iovcnt = a3; + MemoryAccess *mem = core->get_mem_data(); + + printf("sys_writev to fd %d\n", fd); + + while (iovcnt-- > 0) { + std::uint32_t iov_base = mem->read_word(iov); + std::uint32_t iov_len = mem->read_word(iov + 4); + iov += 8; + for (std::uint32_t i = 0; i < iov_len; i++) { + printf("%c", mem->read_byte(iov_base++)); + } + result += iov_len; + } + + return 0; +} diff --git a/qtmips_osemu/ossyscall.h b/qtmips_osemu/ossyscall.h index f2c8137..3897327 100644 --- a/qtmips_osemu/ossyscall.h +++ b/qtmips_osemu/ossyscall.h @@ -47,6 +47,13 @@ namespace osemu { +#define OSSYCALL_HANDLER_DECLARE(name) \ +int name(std::uint32_t &result, machine::Core *core, \ + std::uint32_t syscall_num, \ + std::uint32_t a1, std::uint32_t a2, std::uint32_t a3, \ + std::uint32_t a4, std::uint32_t a5, std::uint32_t a6, \ + std::uint32_t a7, std::uint32_t a8) + class OsSyscallExceptionHandler : public machine::ExceptionHandler { Q_OBJECT public: @@ -54,14 +61,13 @@ public: machine::ExceptionCause excause, std::uint32_t inst_addr, std::uint32_t next_addr, std::uint32_t jump_branch_pc, bool in_delay_slot, std::uint32_t mem_ref_addr); - int syscall_default_handler(std::uint32_t &result, machine::Core *core, - std::uint32_t syscall_num, - std::uint32_t a1, std::uint32_t a2, std::uint32_t a3, - std::uint32_t a4, std::uint32_t a5, std::uint32_t a6, - std::uint32_t a7, std::uint32_t a8); - + OSSYCALL_HANDLER_DECLARE(syscall_default_handler); + OSSYCALL_HANDLER_DECLARE(do_sys_set_thread_area); + OSSYCALL_HANDLER_DECLARE(do_sys_writev); }; +#undef OSSYCALL_HANDLER_DECLARE + } #endif // OSSYCALL_H |