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fix: ensure partitions are recognized after fdisk and fix AHCI slot bug

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boreddevnl 2026-05-09 21:51:28 +02:00
parent 82226ddbe5
commit 36ed0d4a9e
3 changed files with 34 additions and 4 deletions
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9
src/dev/ahci.c
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@ -120,11 +120,12 @@ static void ahci_port_rebase(ahci_port_state_t *ps) {
if (!ps->cmd_tbl) return; if (!ps->cmd_tbl) return;
mem_memset(ps->cmd_tbl, 0, cmd_tbl_size); mem_memset(ps->cmd_tbl, 0, cmd_tbl_size);
// Set command header 0 to point to our command table
uint64_t ctba_phys = v2p((uint64_t)ps->cmd_tbl); uint64_t ctba_phys = v2p((uint64_t)ps->cmd_tbl);
ps->cmd_list[0].ctba = (uint32_t)(ctba_phys & 0xFFFFFFFF); for (int i = 0; i < 32; i++) {
ps->cmd_list[0].ctbau = (uint32_t)(ctba_phys >> 32); ps->cmd_list[i].ctba = (uint32_t)(ctba_phys & 0xFFFFFFFF);
ps->cmd_list[0].prdtl = 1; // 1 PRDT entry default ps->cmd_list[i].ctbau = (uint32_t)(ctba_phys >> 32);
ps->cmd_list[i].prdtl = 1;
}
// Clear error and interrupt status // Clear error and interrupt status
port->serr = 0xFFFFFFFF; port->serr = 0xFFFFFFFF;

3
src/userland/cli/fdisk.c
View file

@ -362,5 +362,8 @@ int main(int argc, char **argv) {
if (ret != 0) { printf("[ERROR] Partition write failed.\n"); return 1; } if (ret != 0) { printf("[ERROR] Partition write failed.\n"); return 1; }
printf("Partition table written to /dev/%s.\n", devname); printf("Partition table written to /dev/%s.\n", devname);
sys_disk_rescan(devname);
return 0; return 0;
} }

26
src/userland/cli/rescan.c Normal file
View file

@ -0,0 +1,26 @@
// Copyright (c) 2023-2026 Chris (boreddevnl)
// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
#include "../libc/syscall.h"
#include "../libc/stdio.h"
#include "../libc/string.h"
int main(int argc, char **argv) {
if (argc < 2) {
printf("Usage: rescan /dev/DEVICE\n");
return 1;
}
const char *devname = argv[1];
if (devname[0] == '/' && devname[1] == 'd' && devname[2] == 'e' && devname[3] == 'v' && devname[4] == '/')
devname += 5;
printf("Rescanning /dev/%s...\n", devname);
int ret = sys_disk_rescan(devname);
if (ret != 0) {
printf("[ERROR] Rescan failed (ret=%d)\n", ret);
return 1;
}
printf("Done.\n");
return 0;
}