main.c File Reference

#include "xil_cache.h"
#include "xil_exception.h"
#include "xil_mmu.h"
#include "xparameters_ps.h"
#include "xscugic_hw.h"
#include "xscugic.h"
#include "xil_printf.h"
#include "debug.h"
#include "nvme/nvme.h"
#include "nvme/nvme_main.h"
#include "nvme/host_lld.h"

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Macros
#define	MB   (1024 * 1024)

Functions
int	main ()

Variables
XScuGic	GicInstance

Macro Definition Documentation

MB

#define MB   (1024 * 1024)

Function Documentation

main()

int main

(

)

Definition at line 76 of file main.c.

{
    unsigned int u;
 
    XScuGic_Config *IntcConfig;
 
    Xil_ICacheDisable();
    Xil_DCacheDisable();
    Xil_DisableMMU();
 
// Paging table set
#define MB (1024 * 1024)
    for (u = 0; u < 4096; u++)
    {
        if (u < 0x2)
            Xil_SetTlbAttributes(u * MB, 0xC1E); // cached & buffered
        else if (u < 0x180)
            Xil_SetTlbAttributes(u * MB, 0xC12); // uncached & nonbuffered
        else if (u < 0x400)
            Xil_SetTlbAttributes(u * MB, 0xC1E); // cached & buffered
        else
            Xil_SetTlbAttributes(u * MB, 0xC12); // uncached & nonbuffered
    }
 
    Xil_EnableMMU();
    Xil_ICacheEnable();
    Xil_DCacheEnable();
    xil_printf("[!] MMU has been enabled.\r\n");
 
    xil_printf("\r\n Hello COSMOS+ OpenSSD !!! \r\n");
 
    Xil_ExceptionInit();
 
    IntcConfig = XScuGic_LookupConfig(XPAR_SCUGIC_SINGLE_DEVICE_ID);
    XScuGic_CfgInitialize(&GicInstance, IntcConfig, IntcConfig->CpuBaseAddress);
    Xil_ExceptionRegisterHandler(XIL_EXCEPTION_ID_INT, (Xil_ExceptionHandler)XScuGic_InterruptHandler,
                                 &GicInstance);
 
    XScuGic_Connect(&GicInstance, 61, (Xil_ExceptionHandler)dev_irq_handler, (void *)0);
 
    XScuGic_Enable(&GicInstance, 61);
 
    // Enable interrupts in the Processor.
    Xil_ExceptionEnableMask(XIL_EXCEPTION_IRQ);
    Xil_ExceptionEnable();
 
    dev_irq_init();
 
    nvme_main();
 
    xil_printf("done\r\n");
 
    return 0;
}

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Variable Documentation

GicInstance

XScuGic GicInstance

Definition at line 74 of file main.c.