diff options
| author | Nathan Lee <me@nwlee.tech> | 2026-06-13 21:24:33 -0500 |
|---|---|---|
| committer | Nathan Lee <me@nwlee.tech> | 2026-06-13 21:24:33 -0500 |
| commit | 2fb81f37d20fd442d1954a7356e3ab7f88314a9c (patch) | |
| tree | 72a63c6c848d1ac748804000a2ed1debf1fc789b /src | |
| parent | 4d843a5e03c91867614c94829c5255bc067a90c6 (diff) | |
create support for kernel modules (but don't implement them yet)
Diffstat (limited to 'src')
| -rw-r--r-- | src/kernel.c | 20 | ||||
| -rw-r--r-- | src/start.S | 20 |
2 files changed, 0 insertions, 40 deletions
diff --git a/src/kernel.c b/src/kernel.c deleted file mode 100644 index 753f4a5..0000000 --- a/src/kernel.c +++ /dev/null @@ -1,20 +0,0 @@ -#define UART_BASE 0x10000000 // Example UART address - -static inline void putchar(char c) { - volatile char *uart = (volatile char *)UART_BASE; - *uart = c; -} - -static void print_string(const char *str) { - while (*str) { - putchar(*str++); - } -} - -void kernel_main(void) { - print_string("Hello from RISC-V kernel!\n"); - - while (1) { - // Wait - } -} diff --git a/src/start.S b/src/start.S deleted file mode 100644 index 118b1c1..0000000 --- a/src/start.S +++ /dev/null @@ -1,20 +0,0 @@ -.section .text._start -.global _start -.type _start, @function - -_start: - # csrw mstatus, zero - # csrw mie, zero - - la sp, __stack_top - - la t0, __bss_start - la t1, __bss_end - beq t0, t1, 2f -1: - sw zero, 0(t0) - addi t0, t0, 4 - bltu t0, t1, 1b -2: - call kernel_main - j . |
