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simX openfile working

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This commit is contained in:
fares
2019-11-18 15:10:29 -05:00
parent dcf9cd3c80
commit 3bc2f449e4
16 changed files with 93315 additions and 120639 deletions
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102
simX/instruction.cpp
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@@ -13,7 +13,8 @@
#ifdef EMU_INSTRUMENTATION
#include "include/qsim-harp.h"
#endif
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
using namespace Harp;
@@ -83,7 +84,7 @@ Word signExt(Word w, Size bit, Word mask) {
void upload(unsigned * addr, char * src, int size, Warp & c)
{
cerr << "WRITING FINAL: " << *src << " size: " << size << "\n";
// cerr << "WRITING FINAL: " << *src << " size: " << size << "\n";
unsigned current_addr = *addr;
@@ -94,11 +95,13 @@ void upload(unsigned * addr, char * src, int size, Warp & c)
for (int i = 0; i < size; i++)
{
unsigned value = src[i] & 0x000000FF;
cerr << "UPLOAD: (" << hex << current_addr << dec << ") = " << hex << ( value) << dec << "\n";
// cerr << "UPLOAD: (" << hex << current_addr << dec << ") = " << hex << ( value) << dec << "\n";
c.core->mem.write(current_addr, value, c.supervisorMode, 1);
current_addr += 1;
}
current_addr += (current_addr % 4);
*addr = current_addr;
}
@@ -120,6 +123,8 @@ void download(unsigned * addr, char * drain, Warp & c)
current_addr += 1;
}
current_addr += (current_addr % 4);
*addr = current_addr;
}
@@ -151,6 +156,7 @@ void downloadAlloc(unsigned * addr, char ** drain_ptr, int & size, Warp & c)
#define READ 4
#define WRITE 5
#define FSTAT 6
#define OPEN 7
void trap_to_simulator(Warp & c)
{
@@ -173,7 +179,7 @@ void trap_to_simulator(Warp & c)
int command;
download(&read_buffer, (char *) &command, c);
cerr << "Command: " << hex << command << dec << '\n';
// cerr << "Command: " << hex << command << dec << '\n';
switch (command)
{
@@ -197,7 +203,27 @@ void trap_to_simulator(Warp & c)
case (READ):
{
cerr << "trap_to_simulator: READ not supported yet\n";
// cerr << "trap_to_simulator: READ not supported yet\n";
int file;
unsigned ptr;
int len;
download(&read_buffer, (char *) &file , c);
download(&read_buffer, (char *) &ptr , c);
download(&read_buffer, (char *) &len , c);
char * buff = (char *) malloc(len);
int ret = read(file, buff, len);
for (int i = 0; i < len; i++)
{
c.core->mem.write(ptr, buff[i], c.supervisorMode, 1);
ptr++;
}
// c.core->mem.write(ptr, 0, c.supervisorMode, 1);
free(buff);
}
break;
case (WRITE):
@@ -211,7 +237,7 @@ void trap_to_simulator(Warp & c)
char * buf;
downloadAlloc(&read_buffer, &buf, size, c);
write(file, buf, size);
int e = write(file, buf, size);
free(buf);
}
break;
@@ -224,18 +250,18 @@ void trap_to_simulator(Warp & c)
struct stat st;
fstat(file, &st);
// fprintf(stderr, "------------------------\n");
// fprintf(stderr, "Size of struct: %x\n", sizeof(struct stat));
// fprintf(stderr, "st_mode: %x\n", st.st_mode);
// fprintf(stderr, "st_dev: %x\n", st.st_dev);
// fprintf(stderr, "st_ino: %x\n", st.st_ino);
// fprintf(stderr, "st_uid: %x\n", st.st_uid);
// fprintf(stderr, "st_gid: %x\n", st.st_gid);
// fprintf(stderr, "st_rdev: %x\n", st.st_rdev);
// fprintf(stderr, "st_size: %x\n", st.st_size);
// fprintf(stderr, "st_blksize: %x\n", st.st_blksize);
// fprintf(stderr, "st_blocks: %x\n", st.st_blocks);
// fprintf(stderr, "^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n");
fprintf(stderr, "------------------------\n");
fprintf(stderr, "Size of struct: %x\n", sizeof(struct stat));
fprintf(stderr, "st_mode: %x\n", st.st_mode);
fprintf(stderr, "st_dev: %x\n", st.st_dev);
fprintf(stderr, "st_ino: %x\n", st.st_ino);
fprintf(stderr, "st_uid: %x\n", st.st_uid);
fprintf(stderr, "st_gid: %x\n", st.st_gid);
fprintf(stderr, "st_rdev: %x\n", st.st_rdev);
fprintf(stderr, "st_size: %x\n", st.st_size);
fprintf(stderr, "st_blksize: %x\n", st.st_blksize);
fprintf(stderr, "st_blocks: %x\n", st.st_blocks);
fprintf(stderr, "^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n");
upload(&write_buffer, (char *) &st.st_mode , sizeof(st.st_mode), c);
upload(&write_buffer, (char *) &st.st_dev , sizeof(st.st_dev), c);
@@ -255,6 +281,46 @@ void trap_to_simulator(Warp & c)
unsigned data_read = c.core->mem.read(new_addr, c.supervisorMode);
cerr << hex << new_addr << ": " << data_read << "\n";
}
}
break;
case (OPEN):
{
// cerr << "$$$$$$$$$$$$$$$$$$$$$$$$$ OPEN FROM simX\n";
unsigned name_ptr;
unsigned flags;
unsigned mode;
download(&read_buffer, (char *) &name_ptr, c);
download(&read_buffer, (char *) &flags , c);
download(&read_buffer, (char *) &mode , c);
char buffer[255];
unsigned read_word;
char read_byte;
int curr_ind = 0;
read_word = c.core->mem.read(name_ptr, c.supervisorMode);
read_byte = (char) (read_word & 0x000000FF);
while (read_byte != 0)
{
buffer[curr_ind] = read_byte;
name_ptr++;
curr_ind++;
read_word = c.core->mem.read(name_ptr, c.supervisorMode);
read_byte = (char) (read_word & 0x000000FF);
}
buffer[curr_ind] = 0;
int fd = open(buffer, flags, mode);
// fprintf(stderr, "Name: --%s-- and fd: %d\n", buffer, fd);
upload(&write_buffer, (char *) &fd, sizeof(int), c);
}
break;
default: