R3

Data Structures
struct	context_t
	processContext_t structure that conatiains the CPU register context_t More...

Macros
#define	BG_WHITE   "\033[48;2;255;255;255m"

Functions
int	yield ()
	stops the exection of commhand and executes each process in the ready queue More...
int	loadr3 (char parameters[][MAX_LENGTH])
	loads all processes into memory in a suspended ready state at any priority of the users choosing More...

Detailed Description

This grouping provides a quick access to all development that occured during module R2. Each function or file that was added during this module can be found here.

Macro Definition Documentation

#define BG_WHITE   "\033[48;2;255;255;255m"

Definition at line 23 of file input.h.

Referenced by help().

Function Documentation

int loadr3

(

char

parameters[][MAX_LENGTH]

)

loads all processes into memory in a suspended ready state at any priority of the users choosing

Parameters

parameters

tales no parameters so they are voided

Definition at line 825 of file comm_list.c.

References s_processContext::cs, s_processContext::ds, s_processContext::ebp, s_processContext::eflags, s_processContext::eip, s_processContext::es, s_processContext::esp, s_processContext::fs, s_processContext::gs, memset(), proc1(), proc2(), proc3(), proc4(), proc5(), serial_println(), setupPCB(), and SYSTEM.

Referenced by initCmdArray().

                                          {
    (void)parameters;
    serial_println("Loading processes.");

    pcb_t* newPCB = setupPCB("R3-Proc1", SYSTEM, 1);
    processContext_t * cp = ( processContext_t *)( newPCB->stackTop );
    memset ( cp , 0, sizeof ( processContext_t ));
    cp->fs = 0x10 ;
    cp->gs = 0x10 ;
    cp->ds = 0x10 ;
    cp->es = 0x10 ;
    cp->cs = 0x8 ;
    cp->ebp = ( u32int )( newPCB->stackBase );
    cp->esp = ( u32int )( newPCB->stackTop );
    cp->eip = ( u32int ) &proc1 ;// The function correlating to the process , ie. Proc1
    cp->eflags = 0x202 ;

    newPCB = setupPCB("R3-Proc2", SYSTEM, 1);
    cp = ( processContext_t *)( newPCB->stackTop );
    memset ( cp , 0, sizeof ( processContext_t ));
    cp->fs = 0x10 ;
    cp->gs = 0x10 ;
    cp->ds = 0x10 ;
    cp->es = 0x10 ;
    cp->cs = 0x8 ;
    cp->ebp = ( u32int )( newPCB->stackBase );
    cp->esp = ( u32int )( newPCB->stackTop );
    cp->eip = ( u32int ) &proc2 ;// The function correlating to the process , ie. Proc1
    cp->eflags = 0x202 ;


    newPCB = setupPCB("R3-Proc3", SYSTEM, 1);
    cp = ( processContext_t *)( newPCB->stackTop );
    memset ( cp , 0, sizeof ( processContext_t ));
    cp->fs = 0x10 ;
    cp->gs = 0x10 ;
    cp->ds = 0x10 ;
    cp->es = 0x10 ;
    cp->cs = 0x8 ;
    cp->ebp = ( u32int )( newPCB->stackBase );
    cp->esp = ( u32int )( newPCB->stackTop );
    cp->eip = ( u32int ) &proc3 ;// The function correlating to the process , ie. Proc1
    cp->eflags = 0x202 ;

    newPCB = setupPCB("R3-Proc4", SYSTEM, 1);
    cp = ( processContext_t *)( newPCB->stackTop );
    memset ( cp , 0, sizeof ( processContext_t ));
    cp->fs = 0x10 ;
    cp->gs = 0x10 ;
    cp->ds = 0x10 ;
    cp->es = 0x10 ;
    cp->cs = 0x8 ;
    cp->ebp = ( u32int )( newPCB->stackBase );
    cp->esp = ( u32int )( newPCB->stackTop );
    cp->eip = ( u32int ) &proc4 ;// The function correlating to the process , ie. Proc1
    cp->eflags = 0x202 ;

    newPCB = setupPCB("R3-Proc5", SYSTEM, 1);
    cp = ( processContext_t *)( newPCB->stackTop );
    memset ( cp , 0, sizeof ( processContext_t ));
    cp->fs = 0x10 ;
    cp->gs = 0x10 ;
    cp->ds = 0x10 ;
    cp->es = 0x10 ;
    cp->cs = 0x8 ;
    cp->ebp = ( u32int )( newPCB->stackBase );
    cp->esp = ( u32int )( newPCB->stackTop );
    cp->eip = ( u32int ) &proc5 ;// The function correlating to the process , ie. Proc1
    cp->eflags = 0x202 ;



    return 0;
}

int yield

(

)

stops the exection of commhand and executes each process in the ready queue

Parameters

parameters

takes no parameters so they are voided

Definition at line 820 of file comm_list.c.

            {
    asm volatile("int $60");
    return 0;
}