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| author | Richard Qin <richard.qin.x@gmail.com> | 2026-04-14 22:47:15 +0800 |
|---|---|---|
| committer | Richard Qin <richard.qin.x@gmail.com> | 2026-04-14 22:47:15 +0800 |
| commit | ac9741e12222e72bad3414bc6f588e70a3d130cc (patch) | |
| tree | 6aace9f63a2ea54c7c3fd1e49e98ff81b638296f /include/kernel/pmm.h | |
| parent | 1e862099a13266da57ff7c6de11c1a11c42a8112 (diff) | |
| download | lume-ac9741e12222e72bad3414bc6f588e70a3d130cc.tar.gz lume-ac9741e12222e72bad3414bc6f588e70a3d130cc.tar.xz | |
feat: implement FDT-based memory discovery and add comprehensive debug logging to exec syscalls
Diffstat (limited to 'include/kernel/pmm.h')
| -rw-r--r-- | include/kernel/pmm.h | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/include/kernel/pmm.h b/include/kernel/pmm.h index 1fc3070..261786d 100644 --- a/include/kernel/pmm.h +++ b/include/kernel/pmm.h @@ -1,16 +1,21 @@ // SPDX-License-Identifier: GPL-2.0-or-later /* - * Copyright (C) 2026 Richard QIn + * Copyright (C) 2026 Richard Qin */ #pragma once #include "common/types.h" #include "kernel/spinlock.h" +#include "kernel/fdt.h" // For g_devices // Physical Memory Layout Definition #define KERNBASE 0x80000000 -// Set the memory size to 128MB -#define PHYSIZE (128 * 1024 * 1024) + +// Dynamic memory size from FDT +// Default to 128MB if FDT not present/parsed +extern uint64 g_phys_size; + +#define PHYSIZE (g_phys_size) #define PHYSTOP (KERNBASE + PHYSIZE) // Buddy System Max Order |