kamkow1/mop3
1
1
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Fix FAT driver issues (FAT32 while being under 32MiB), liballoc alignment so SSE doesnt break

Browse Source
This commit is contained in:
Kamil Kowalczyk
2026-03-10 21:01:49 +01:00
parent 38557bab7d
commit 4b099f04f5
27 changed files with 3447 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
kernel/amd64/bootmain.c
View File

@@ -67,7 +67,7 @@ void bootmain (void) {
device_probe_partitions (temp);
struct device* tempp0 = device_find ("TEMPp0");
vfs_create_volume ("TEMP", FS_FAT32, tempp0, true);
int x = vfs_create_volume ("TEMP", FS_FAT16, tempp0, true);
proc_pid_alloc_init ();
procgroup_pgid_alloc_init ();

11
kernel/amd64/fx.h
View File

@@ -3,17 +3,22 @@
#define fx_save(buf) \
do { \
__asm__ volatile ("fxsave64 (%0)" ::"r"((buf)) : "memory"); \
__asm__ volatile ("fxsave64 %0" : "=m"(*(buf))::"memory"); \
} while (0)
#define fx_restore(buf) \
do { \
__asm__ volatile ("fxrstor64 (%0)" ::"r"((buf)) : "memory"); \
__asm__ volatile ("fxrstor64 %0" ::"m"(*(buf)) : "memory"); \
} while (0)
#define fx_init(buf) \
do { \
__asm__ volatile ("fninit; fxsave64 (%0)" ::"r"((buf)) : "memory"); \
memset ((buf), 0, sizeof ((buf))); \
__asm__ volatile ("fninit; fxsave64 %0" : "=m"(*(buf))::"memory"); \
uint32_t* __mxcsr = (uint32_t*)&(buf)[24]; \
*__mxcsr = 0x1F80; \
uint16_t* __fcw = (uint16_t*)&(buf)[0]; \
*__fcw = 0x037F; \
} while (0)
#endif // _KERNEL_AMD64_FX_H

2
kernel/amd64/proc.h
View File

@@ -14,11 +14,11 @@
/* Platform-dependent process data */
struct proc_platformdata {
uint8_t fx_env[512] ALIGNED (16);
struct saved_regs regs;
uintptr_t kernel_stack;
uint64_t fs_base;
uintptr_t tls_vaddr;
uint8_t fx_env[512] ALIGNED (16);
};
#endif // _KERNEL_AMD64_PROC_H