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//This automatically includes Sys.ns.h
#include <common.h>
#include <Core/Log.ns.h>
#include <VTManager/SimpleVT.class.h>
#include <SyscallManager/IDT.ns.h>
#include <Sys.iface.h>
#include <UserManager/Usr.ns.h>
#include <MemoryManager/PhysMem.ns.h>
#include <DeviceManager/Time.ns.h>
#define DEBUGVT(x) SimpleVT *x = new SimpleVT(4, 56, 0, 15); x->map(); x->put('\n');
using namespace CMem;
namespace Sys {
void outb (u16int port, u8int value) {
asm volatile ("outb %1, %0" : : "dN" (port), "a" (value));
}
u8int inb (u16int port) {
u8int ret;
asm volatile ("inb %1, %0" : "=a" (ret) : "dN" (port));
return ret;
}
u16int inw (u16int port) {
u16int ret;
asm volatile ("inw %1, %0" : "=a" (ret) : "dN" (port));
return ret;
}
//Used by DEBUG() macro (see common.wtf.h)
void bochs_output(char *message, char *file, u32int line) {
for (u32int i = 0; i < strlen(message); i++) {
outb(0xE9, message[i]);
}
char* t = (char*)" (in ";
for (u32int i = 0; i < strlen(t); i++) {
outb(0xE9, t[i]);
}
for (u32int i = 0; i < strlen(file); i++) {
outb(0xE9, file[i]);
}
outb(0xE9, ')');
outb(0xE9, '\n');
}
void bochs_output(String message, char *file, u32int line) {
for (u32int i = 0; i < message.size(); i++) {
outb(0xE9, message[i].toAscii());
}
char* t = (char*)" (in ";
for (u32int i = 0; i < strlen(t); i++) {
outb(0xE9, t[i]);
}
for (u32int i = 0; i < strlen(file); i++) {
outb(0xE9, file[i]);
}
outb(0xE9, ')');
outb(0xE9, '\n');
}
void bochs_output_hex(u32int i) {
char hexdigits[] = "0123456789ABCDEF";
outb(0xE9, '0');
outb(0xE9, 'x');
for (u32int j = 0; j < 8; j++) {
outb(0xE9, hexdigits[(i & 0xF0000000) >> 28]);
i = i << 4;
}
}
void dumpRegs(registers_t *regs, VirtualTerminal& vt) {
vt << "ds=" << (u32int)regs->ds << ", eip=" << (u32int)regs->eip << ", cs=" << (u32int)regs->cs << "\n";
vt << "edi=" << (u32int)regs->edi << ", esi=" << (u32int)regs->esi << ", ebp=" << (u32int)regs->ebp <<
", esp=" << (u32int)regs->esp << "\n";
vt << "eax=" << (u32int)regs->eax << ", ebx=" << (u32int)regs->ebx << ", ecx=" << (u32int)regs->ecx <<
", edx=" << (u32int)regs->edx << "\n";
vt << "int_no=" << (s32int)regs->int_no << ", err_code=" << (u32int)regs->err_code << "\n";
vt << "eflags=" << (u32int)regs->eflags << ", useresp=" << (u32int)regs->useresp << ", ss=" << (u32int)regs->ss << "\n";
}
//Used by PANIC() macro (see common.wtf.h)
void panic(char *message, char *file, u32int line) {
asm volatile("cli");
DEBUGVT(vt);
bochs_output("PANIC : ", file, line);
bochs_output(message, file, 0);
*vt << " PANIC : " << message << "\n In " << file << ":" << (s32int)line;
while (1) asm volatile("hlt"); //Enter infinite loop for halt
}
void panic(char *message, registers_t *regs, char *file, u32int line) {
asm volatile("cli");
SimpleVT vt(12, 70, 7, 1);
vt.map();
vt.write("\n");
vt << "PANIC : " << message << "\n => in " << file << " at " << (s32int)line << "\n\n";
dumpRegs(regs, vt);
if (regs->int_no == 14) {
u32int cr2;
asm volatile("mov %%cr2, %0" : "=r"(cr2));
vt << "cr2=" << (u32int)cr2 << "\n";
}
vt << "\n\n";
while (1) asm volatile("cli; hlt");
u32int *v = (u32int*)regs->ebp;
for (int i = 0; i < 10; i++) {
vt << "ebp=" << (u32int)v << ", value=" << (u32int)(v[1]) << "\n";
v = (u32int*)(*v);
}
}
//Used by ASSERT() macro (see common.wtf.h)
void panic_assert(char *file, u32int line, char *desc) {
asm volatile("cli");
DEBUGVT(vt);
bochs_output("ASSERTION FAILED : ", file, line);
bochs_output(desc, file, 0);
*vt << " ASSERTION FAILED : " << desc << "\n In " << file << ":" << (s32int)line;
while (1) asm volatile("hlt"); //Enter infinite loop for halt
}
void shutdown_cleanup() {
asm volatile("cli");
Log::close();
}
void reboot() {
shutdown_cleanup();
outb(0x64, 0xFE);
}
void halt() {
shutdown_cleanup();
String message("MELON SEZ : KTHXBYE, U CAN NAOW TURNZ OFF UR COMPUTER.");
SimpleVT vt(3, message.size() + 16, 7, 6);
vt.map();
vt << "\n\t" << message;
while (1) asm volatile("cli; hlt");
}
u32int scall(u8int wat, u32int a, u32int b, u32int c, u32int d) {
if (wat == SYIF_HALT && ISROOT) halt();
if (wat == SYIF_REBOOT && ISROOT) reboot();
if (wat == SYIF_UPTIME) return Time::uptime();
if (wat == SYIF_TOTALRAM) return PhysMem::total() * 4;
if (wat == SYIF_FREERAM) return PhysMem::free() * 4;
return (u32int) - 1;
}
}
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