Add fesvr; only globally install fesvr headers/libsstatic-link

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