# riscv-from-scratch

**Repository Path**: dingfen/riscv-from-scratch

## Basic Information

- **Project Name**: riscv-from-scratch
- **Description**: plan to DIY my first RISC-V kernel
- **Primary Language**: C
- **License**: Not specified
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2020-08-24
- **Last Updated**: 2020-12-19

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

virt QEMU 虚拟机的内存布局

```c
/****************************
0x02000000 --
            | clint (core local interrupt)
0x02010000-- 

0x0c000000 --
    |       |  interrupt-controller
0x10000000 --
            |  uart
0x10000100 --
    |
    |
    |
0x10001000 --
    |       |
0x10002000 --
    |       |
0x10003000 --
    |       |
0x10004000 --
    |       |   virtio,mmio
0x10005000 --
    |       |
0x10006000 --
    |       |
0x10007000 --
    |       |
0x10008000 --

0x20000000 --
    |       |
    |       |  flash
    |       |
0x24000000 --
    |
    |
    |
0x30000000 --
    |       |
    |       |  PCI
    |       |
0x40000000 --
    |
    |
    |
    |
    |
0x80000000 -----RAM
                text code
                |--- boot
                     main
                     ns16550a
                initialized data
                bss
                heap



                stack
                env cli args

0x88000000 -----
****************************/
```