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add csrc

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This commit is contained in:
TOKISAKIX\21168
2023-12-11 21:54:53 +08:00
parent 910ee11168
commit e720a0dfc2
57 changed files with 2621 additions and 2152 deletions
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10
lab3/csrc/mmio.h
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@@ -21,3 +21,13 @@
#define UART_BAUDRATE ((volatile unsigned int *) (UART_BASE + 4))
#define UART_RECV ((volatile unsigned int *) (UART_BASE + 12))
#define UART_SEND ((volatile unsigned int *) (UART_BASE + 16))
//remap the mmio to reduce memory usage of page table
#define VA_VRAM_BASE 0x00100000
#define VA_VRAM ((volatile unsigned char *) VA_VRAM_BASE)
#define VA_TIMER_BASE 0x00200000
#define VA_TIMER_LIMIT ((volatile unsigned int *) (VA_TIMER_BASE + 4))
#define VA_TIMER_ENABLED ((volatile unsigned int *) (VA_TIMER_BASE + 8))
#define VA_UART_BASE 0x00300000
#define VA_UART_BAUDRATE ((volatile unsigned int *) (VA_UART_BASE + 4))
#define VA_UART_RECV ((volatile unsigned int *) (VA_UART_BASE + 12))
#define VA_UART_SEND ((volatile unsigned int *) (VA_UART_BASE + 16))