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feat: implement PS/2 keyboard & shell, dynamic heap (malloc/new), Zero-Copy SHM, and SMP multicore initialization

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RarDog
2026-09-02 16:58:33 +03:00
parent e7a0d2e6b1
commit 4d7ee738b6
18 changed files with 698 additions and 31 deletions
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include/abi/syscalls.h
+36 -2
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@@ -6,12 +6,14 @@
#define SYS_IPC_CALL 1 /* Synchronous call: send message & wait for reply */
#define SYS_IPC_REPLY_RECV 2 /* Server fast-path: reply to current and wait next */
#define SYS_IPC_SEND 3 /* Asynchronous/non-blocking send */
#define SYS_IPC_RECV 4 /* Block waiting for incoming message */
#define SYS_MEM_MAP 5 /* Map memory / shared memory region */
#define SYS_MEM_SHARE 4 /* Map shared physical memory between processes */
#define SYS_MEM_ALLOC 5 /* Dynamically allocate virtual pages in process space */
#define SYS_CAP_GRANT 6 /* Delegate capability to CNode */
#define SYS_THREAD_YIELD 7 /* Yield CPU slice */
#define SYS_THREAD_EXIT 8 /* Terminate current thread */
#define SYS_LOG_DEBUG 9 /* Direct Ring 0 debug print */
#define SYS_KEY_READ 10 /* Read character from keyboard buffer */
#define SYS_SYSINFO 11 /* Query system/memory/thread information */
#ifndef __ASSEMBLER__
@@ -69,6 +71,38 @@ static inline sysret_t sys_ipc_reply_recv_raw(cap_t listen_ep, uint64_t reply_to
return (sysret_t)rax;
}
static inline void *sys_mem_alloc(size_t size_bytes) {
register uint64_t rax __asm__("rax") = SYS_MEM_ALLOC;
register uint64_t rdi __asm__("rdi") = (uint64_t)size_bytes;
__asm__ volatile("syscall" : "+r"(rax) : "r"(rdi) : "rcx", "r11", "memory");
return (void *)rax;
}
static inline sysret_t sys_mem_share(uint64_t target_tid, uintptr_t src_vaddr, size_t size, uintptr_t target_vaddr) {
register uint64_t rax __asm__("rax") = SYS_MEM_SHARE;
register uint64_t rdi __asm__("rdi") = target_tid;
register uint64_t rsi __asm__("rsi") = (uint64_t)src_vaddr;
register uint64_t rdx __asm__("rdx") = (uint64_t)size;
register uint64_t r8 __asm__("r8") = (uint64_t)target_vaddr;
__asm__ volatile("syscall" : "+r"(rax) : "r"(rdi), "r"(rsi), "r"(rdx), "r"(r8) : "rcx", "r11", "memory");
return (sysret_t)rax;
}
static inline int sys_key_read(void) {
register uint64_t rax __asm__("rax") = SYS_KEY_READ;
__asm__ volatile("syscall" : "+r"(rax) : : "rcx", "r11", "memory");
return (int)rax;
}
static inline sysret_t sys_sysinfo(uint64_t info_type, void *out_buf, size_t max_len) {
register uint64_t rax __asm__("rax") = SYS_SYSINFO;
register uint64_t rdi __asm__("rdi") = info_type;
register uint64_t rsi __asm__("rsi") = (uint64_t)out_buf;
register uint64_t rdx __asm__("rdx") = (uint64_t)max_len;
__asm__ volatile("syscall" : "+r"(rax) : "r"(rdi), "r"(rsi), "r"(rdx) : "rcx", "r11", "memory");
return (sysret_t)rax;
}
static inline sysret_t sys_yield(void) {
register uint64_t rax __asm__("rax") = SYS_THREAD_YIELD;
__asm__ volatile("syscall" : "+r"(rax) : : "rcx", "r11", "memory");