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Diffstat (limited to 'fesvr/htif.h')
| -rw-r--r-- | fesvr/htif.h | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/fesvr/htif.h b/fesvr/htif.h new file mode 100644 index 0000000..d312c77 --- /dev/null +++ b/fesvr/htif.h @@ -0,0 +1,114 @@ +// See LICENSE for license details. + +#ifndef __HTIF_H +#define __HTIF_H + +#include "memif.h" +#include "syscall.h" +#include "device.h" +#include <string.h> +#include <vector> + +class htif_t : public chunked_memif_t +{ + public: + htif_t(); + htif_t(int argc, char** argv); + htif_t(const std::vector<std::string>& args); + virtual ~htif_t(); + + virtual void start(); + virtual void stop(); + + int run(); + bool done(); + int exit_code(); + + virtual memif_t& memif() { return mem; } + + protected: + virtual void reset() = 0; + + virtual void read_chunk(addr_t taddr, size_t len, void* dst) = 0; + virtual void write_chunk(addr_t taddr, size_t len, const void* src) = 0; + virtual void clear_chunk(addr_t taddr, size_t len); + + virtual size_t chunk_align() = 0; + virtual size_t chunk_max_size() = 0; + + virtual void load_program(); + virtual void idle() {} + + const std::vector<std::string>& host_args() { return hargs; } + + reg_t get_entry_point() { return entry; } + + // indicates that the initial program load can skip writing this address + // range to memory, because it has already been loaded through a sideband + virtual bool is_address_preloaded(addr_t taddr, size_t len) { return false; } + + private: + void parse_arguments(int argc, char ** argv); + void register_devices(); + void usage(const char * program_name); + + memif_t mem; + reg_t entry; + bool writezeros; + std::vector<std::string> hargs; + std::vector<std::string> targs; + std::string sig_file; + addr_t sig_addr; // torture + addr_t sig_len; // torture + addr_t tohost_addr; + addr_t fromhost_addr; + int exitcode; + bool stopped; + + device_list_t device_list; + syscall_t syscall_proxy; + bcd_t bcd; + std::vector<device_t*> dynamic_devices; + + const std::vector<std::string>& target_args() { return targs; } + + friend class memif_t; + friend class syscall_t; +}; + +/* Alignment guide for emulator.cc options: + -x, --long-option Description with max 80 characters --------------->\n\ + +plus-arg-equivalent\n\ + */ +#define HTIF_USAGE_OPTIONS \ +"HOST OPTIONS\n\ + -h, --help Display this help and exit\n\ + +permissive The host will ignore any unparsed options up until\n\ + +permissive-off (Only needed for VCS)\n\ + +permissive-off Stop ignoring options. This is mandatory if using\n\ + +permissive (Only needed for VCS)\n\ + --rfb=DISPLAY Add new remote frame buffer on display DISPLAY\n\ + +rfb=DISPLAY to be accessible on 5900 + DISPLAY (default = 0)\n\ + --signature=FILE Write torture test signature to FILE\n\ + +signature=FILE\n\ + --chroot=PATH Use PATH as location of syscall-servicing binaries\n\ + +chroot=PATH\n\ +\n\ +HOST OPTIONS (currently unsupported)\n\ + --disk=DISK Add DISK device. Use a ramdisk since this isn't\n\ + +disk=DISK supported\n\ +\n\ +TARGET (RISC-V BINARY) OPTIONS\n\ + These are the options passed to the program executing on the emulated RISC-V\n\ + microprocessor.\n" + +#define HTIF_LONG_OPTIONS_OPTIND 1024 +#define HTIF_LONG_OPTIONS \ +{"help", no_argument, 0, 'h' }, \ +{"rfb", optional_argument, 0, HTIF_LONG_OPTIONS_OPTIND }, \ +{"disk", required_argument, 0, HTIF_LONG_OPTIONS_OPTIND + 1 }, \ +{"signature", required_argument, 0, HTIF_LONG_OPTIONS_OPTIND + 2 }, \ +{"chroot", required_argument, 0, HTIF_LONG_OPTIONS_OPTIND + 3 }, \ +{0, 0, 0, 0} + +#endif // __HTIF_H |