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authorErwan Velu <erwan.velu@free.fr>2009-02-12 16:29:28 +0100
committerH. Peter Anvin <hpa@zytor.com>2009-02-25 20:58:40 -0800
commitce26c1d73d8d36edd04169687d0754234e075e43 (patch)
tree7e7d9eb8000be21d56cd4045f6bbfbeba05f7cd8 /sample
parent1b520a5888c0313d2741943d99835f7307447611 (diff)
downloadsyslinux-ce26c1d73d8d36edd04169687d0754234e075e43.tar.gz
syslinux-ce26c1d73d8d36edd04169687d0754234e075e43.tar.xz
syslinux-ce26c1d73d8d36edd04169687d0754234e075e43.zip
hdt: Preliminary support for disks
Diffstat (limited to 'sample')
-rw-r--r--sample/hdt.c295
1 files changed, 216 insertions, 79 deletions
diff --git a/sample/hdt.c b/sample/hdt.c
index 808555cf..1d08469e 100644
--- a/sample/hdt.c
+++ b/sample/hdt.c
@@ -56,18 +56,54 @@
#define SECTOR 512 /* bytes/sector */
+enum {
+ ATA_ID_FW_REV = 23,
+ ATA_ID_PROD = 27,
+ ATA_ID_FW_REV_LEN = 8,
+ ATA_ID_PROD_LEN = 40,
+};
+
unsigned char MAIN_MENU, CPU_MENU, MOBO_MENU, CHASSIS_MENU, BIOS_MENU, SYSTEM_MENU, PCI_MENU;
-unsigned char MEMORY_MENU, MEMORY_SUBMENU[32], BATTERY_MENU;
+unsigned char MEMORY_MENU, MEMORY_SUBMENU[32], DISK_MENU, DISK_SUBMENU[32], BATTERY_MENU;
+int nb_sub_disk_menu=0;
bool is_dmi_valid=false;
+#define ATTR_PACKED __attribute__((packed))
+
+struct ata_identify_device {
+ unsigned short words000_009[10];
+ unsigned char serial_no[20];
+ unsigned short words020_022[3];
+ unsigned char fw_rev[8];
+ unsigned char model[40];
+ unsigned short words047_079[33];
+ unsigned short major_rev_num;
+ unsigned short minor_rev_num;
+ unsigned short command_set_1;
+ unsigned short command_set_2;
+ unsigned short command_set_extension;
+ unsigned short cfs_enable_1;
+ unsigned short word086;
+ unsigned short csf_default;
+ unsigned short words088_255[168];
+} ATTR_PACKED;
+
struct diskinfo {
int disk;
int ebios; /* EBIOS supported on this disk */
int cbios; /* CHS geometry is valid */
- int head;
- int sect;
+ int heads;
+ int sectors_per_track;
+ int sectors;
+ int cylinders;
char edd_version[4];
-};
+ struct ata_identify_device aid; /* IDENTIFY xxx DEVICE data */
+ char host_bus_type[5];
+ char interface_type[9];
+ char interface_port;
+ char fwrev[ATA_ID_FW_REV_LEN+1];
+ char model[ATA_ID_PROD_LEN+1];
+} ATTR_PACKED;
/*
* Get a disk block and return a malloc'd buffer.
@@ -81,6 +117,8 @@ struct ebios_dapa {
uint64_t lba;
};
+
+
// BYTE=8
// WORD=16
// DWORD=32
@@ -104,7 +142,82 @@ struct device_parameter {
uint64_t device_path[2];
uint8_t reserved;
uint8_t cheksum;
-};
+} ATTR_PACKED;
+
+/**
+ * ata_id_string - Convert IDENTIFY DEVICE page into string
+ * @id: IDENTIFY DEVICE results we will examine
+ * @s: string into which data is output
+ * @ofs: offset into identify device page
+ * @len: length of string to return. must be an even number.
+ *
+ * The strings in the IDENTIFY DEVICE page are broken up into
+ * 16-bit chunks. Run through the string, and output each
+ * 8-bit chunk linearly, regardless of platform.
+ *
+ * LOCKING:
+ * caller.
+ */
+
+void ata_id_string(const uint16_t *id, unsigned char *s,
+ unsigned int ofs, unsigned int len)
+{
+ unsigned int c;
+
+ while (len > 0) {
+ c = id[ofs] >> 8;
+ *s = c;
+ s++;
+
+ c = id[ofs] & 0xff;
+ *s = c;
+ s++;
+
+ ofs++;
+ len -= 2;
+ }
+}
+
+/**
+ * ata_id_c_string - Convert IDENTIFY DEVICE page into C string
+ * @id: IDENTIFY DEVICE results we will examine
+ * @s: string into which data is output
+ * @ofs: offset into identify device page
+ * @len: length of string to return. must be an odd number.
+ *
+ * This function is identical to ata_id_string except that it
+ * trims trailing spaces and terminates the resulting string with
+ * null. @len must be actual maximum length (even number) + 1.
+ *
+ * LOCKING:
+ * caller.
+ */
+void ata_id_c_string(const uint16_t *id, unsigned char *s,
+ unsigned int ofs, unsigned int len)
+{
+ unsigned char *p;
+
+ //WARN_ON(!(len & 1));
+
+ ata_id_string(id, s, ofs, len - 1);
+
+ p = s + strnlen(s, len - 1);
+ while (p > s && p[-1] == ' ')
+ p--;
+ *p = '\0';
+}
+
+
+static void printregs(const com32sys_t *r)
+{
+ printf("eflags = %08x ds = %04x es = %04x fs = %04x gs = %04x\n"
+ "eax = %08x ebx = %08x ecx = %08x edx = %08x\n"
+ "ebp = %08x esi = %08x edi = %08x esp = %08x\n",
+ r->eflags.l, r->ds, r->es, r->fs, r->gs,
+ r->eax.l, r->ebx.l, r->ecx.l, r->edx.l,
+ r->ebp.l, r->esi.l, r->edi.l, r->_unused_esp.l);
+}
+
/*
* Call int 13h, but with retry on failure. Especially floppies need this.
@@ -125,65 +238,6 @@ static int int13_retry(const com32sys_t *inreg, com32sys_t *outreg)
return -1; /* Error */
}
-
-static void *read_sector(struct diskinfo disk_info, unsigned int lba)
-{
- com32sys_t inreg;
- struct ebios_dapa *dapa = __com32.cs_bounce;
- void *buf = (char *)__com32.cs_bounce + SECTOR;
- void *data;
-
- memset(&inreg, 0, sizeof inreg);
-
- if ( disk_info.ebios ) {
- dapa->len = sizeof(*dapa);
- dapa->count = 1; /* 1 sector */
- dapa->off = OFFS(buf);
- dapa->seg = SEG(buf);
- dapa->lba = lba;
-
- inreg.esi.w[0] = OFFS(dapa);
- inreg.ds = SEG(dapa);
- inreg.edx.b[0] = disk_info.disk;
- inreg.eax.b[1] = 0x42; /* Extended read */
- } else {
- unsigned int c, h, s, t;
-
- if ( !disk_info.cbios ) {
- /* We failed to get the geometry */
-
- if ( lba )
- return NULL; /* Can only read MBR */
-
- s = 1; h = 0; c = 0;
- } else {
- s = (lba % disk_info.sect) + 1;
- t = lba / disk_info.sect; /* Track = head*cyl */
- h = t % disk_info.head;
- c = t / disk_info.head;
- }
- if ( s > 63 || h > 256 || c > 1023 )
- return NULL;
-
- inreg.eax.w[0] = 0x0201; /* Read one sector */
- inreg.ecx.b[1] = c & 0xff;
- inreg.ecx.b[0] = s + (c >> 6);
- inreg.edx.b[1] = h;
- inreg.edx.b[0] = disk_info.disk;
- inreg.ebx.w[0] = OFFS(buf);
- inreg.es = SEG(buf);
- }
-
- if (int13_retry(&inreg, NULL))
- return NULL;
-
- data = malloc(SECTOR);
- if (data)
- memcpy(data, buf, SECTOR);
- return data;
-}
-
-
TIMEOUTCODE ontimeout()
{
beep();
@@ -216,6 +270,7 @@ static int get_disk_params(int disk, struct diskinfo *disk_info)
{
static com32sys_t getparm, parm, getebios, ebios, inreg,outreg;
struct device_parameter *dp = __com32.cs_bounce;
+ struct ata_identify_device *aid = __com32.cs_bounce;
memset(&inreg, 0, sizeof inreg);
@@ -253,10 +308,10 @@ static int get_disk_params(int disk, struct diskinfo *disk_info)
if ( parm.eflags.l & EFLAGS_CF )
return disk_info[disk].ebios ? 0 : -1;
- disk_info[disk].head = parm.edx.b[1]+1;
- disk_info[disk].sect = parm.ecx.b[0] & 0x3f;
- if ( disk_info[disk].sect == 0 ) {
- disk_info[disk].sect = 1;
+ disk_info[disk].heads = parm.edx.b[1]+1;
+ disk_info[disk].sectors_per_track = parm.ecx.b[0] & 0x3f;
+ if ( disk_info[disk].sectors_per_track == 0 ) {
+ disk_info[disk].sectors_per_track = 1;
} else {
disk_info[disk].cbios = 1; /* Valid geometry */
}
@@ -268,12 +323,37 @@ static int get_disk_params(int disk, struct diskinfo *disk_info)
__intcall(0x13, &inreg, &outreg);
- if ( outreg.eflags.l & EFLAGS_CF )
- printf("Error while detecting disk parameters\n");
+ if ( outreg.eflags.l & EFLAGS_CF ) {
+ printf("Disk 0x%X doesn't supports EDD 3.0\n",disk);
+ return -1;
+ }
+
+ sprintf(disk_info[disk].host_bus_type,"%c%c%c%c",dp->host_bus_type[0],dp->host_bus_type[1],dp->host_bus_type[2],dp->host_bus_type[3]);
+ sprintf(disk_info[disk].interface_type,"%c%c%c%c%c%c%c%c",dp->interface_type[0],dp->interface_type[1],dp->interface_type[2],dp->interface_type[3],dp->interface_type[4],dp->interface_type[5],dp->interface_type[6],dp->interface_type[7]);
+ disk_info[disk].sectors=dp->sectors;
+ disk_info[disk].cylinders=dp->cylinders;
+ //FIXME
+ sprintf(disk_info[disk].model,"0x%X",disk);
+
+ memset(&inreg, 0, sizeof inreg);
+ inreg.ebx.w[0] = OFFS(aid);
+ inreg.es = SEG(aid);
+ inreg.eax.w[0] = 0x2500;
+ inreg.edx.b[0] = disk;
+
+ __intcall(0x13,&inreg, &outreg);
+
+ if ( outreg.eflags.l & EFLAGS_CF) {
+ printf("Disk 0x%X: Failed to Identify Device\n",disk);
+ //FIXME
+ return 0;
+ }
+
+// ata_id_c_string(id, disk_info[disk].fwrevbuf, ATA_ID_FW_REV, sizeof(disk_info[disk].fwrevbuf));
+// ata_id_c_string(id, disk_info[disk].modelbuf, ATA_ID_PROD, sizeof(disk_info[disk].modelbuf));
+// printf ("Disk 0x%X : %s %s\n",disk, disk_info[disk].modelbuf, disk_info[disk].fwrevbuf);
+
- printf("RESULT=0x%X 0x%X 0x%X 0x%X\n",dp->host_bus_type[0],dp->host_bus_type[1],dp->host_bus_type[2],dp->host_bus_type[3]);
- printf("RESULT=0x%X 0x%X 0x%X 0x%X\n",dp->interface_type[0],dp->interface_type[1],dp->interface_type[2],dp->interface_type[3]);
- printf("RESULT= cylindres=%d heads=%d sect=%d bytes_per_sector=%d\n",dp->cylinders, dp->heads,dp->sectors/2/1024,dp->bytes_per_sector);
return 0;
}
@@ -288,12 +368,11 @@ int detect_dmi(s_dmi *dmi) {
}
void detect_disks(struct diskinfo *disk_info) {
- char *buf;
for (int drive = 0x80; drive <= 0xff; drive++) {
if (get_disk_params(drive,disk_info))
continue;
-
- printf("DISK: 0x%X, sector=%d head=%d : EDD=%s\n",drive,disk_info[drive].sect,disk_info[drive].head,disk_info[drive].edd_version);
+ struct diskinfo d=disk_info[drive];
+ printf("DISK 0x%X (%s %s): sectors=%d, sector/track=%d head=%d : EDD=%s\n",drive,d.host_bus_type,d.interface_type, d.sectors, d.sectors_per_track,d.heads,d.edd_version);
}
}
@@ -347,6 +426,45 @@ void compute_battery(unsigned char *menu, s_dmi *dmi) {
}
+void compute_disk_module(unsigned char *menu, struct diskinfo *disk_info, int disk_number) {
+ int i=disk_number;
+ char buffer[MENULEN];
+ struct diskinfo d = disk_info[disk_number];
+ if (strlen(d.model)<=0) return;
+
+ sprintf(buffer," Disk <%d> ",nb_sub_disk_menu);
+ *menu = add_menu(buffer,-1);
+
+ sprintf(buffer,"Model : %s",d.model);
+ add_item(buffer,"Model",OPT_INACTIVE,NULL,0);
+
+ sprintf(buffer,"Interface : %s",d.interface_type);
+ add_item(buffer,"Interface Type",OPT_INACTIVE,NULL,0);
+
+ sprintf(buffer,"Host Bus : %s",d.host_bus_type);
+ add_item(buffer,"Host Bus Type",OPT_INACTIVE,NULL,0);
+
+ sprintf(buffer,"Sectors : %d",d.sectors);
+ add_item(buffer,"Sectors",OPT_INACTIVE,NULL,0);
+
+ sprintf(buffer,"Heads : %d",d.heads);
+ add_item(buffer,"Heads",OPT_INACTIVE,NULL,0);
+
+ sprintf(buffer,"Cylinders : %d",d.cylinders);
+ add_item(buffer,"Cylinders",OPT_INACTIVE,NULL,0);
+
+ sprintf(buffer,"Sectors/Track: %d",d.sectors_per_track);
+ add_item(buffer,"Sectors per Track",OPT_INACTIVE,NULL,0);
+
+ sprintf(buffer,"Port : 0x%X",disk_number);
+ add_item(buffer,"Port",OPT_INACTIVE,NULL,0);
+
+ sprintf(buffer,"EDD Version : %s",d.edd_version);
+ add_item(buffer,"EDD Version",OPT_INACTIVE,NULL,0);
+
+ nb_sub_disk_menu++;
+}
+
void compute_memory_module(unsigned char *menu, s_dmi *dmi, int slot_number) {
int i=slot_number;
char buffer[MENULEN];
@@ -624,7 +742,23 @@ for (int i=0;i<dmi->memory_count;i++) {
}
}
-void compute_submenus(s_dmi *dmi, s_cpu *cpu, struct pci_domain **pci_domain) {
+void compute_disks(unsigned char *menu, struct diskinfo *disk_info) {
+char buffer[MENULEN];
+nb_sub_disk_menu=0;
+
+for (int i=0;i<0xff;i++) {
+ compute_disk_module(&DISK_SUBMENU[nb_sub_disk_menu],disk_info,i);
+}
+
+*menu = add_menu(" Disks ",-1);
+
+for (int i=0;i<nb_sub_disk_menu;i++) {
+ sprintf(buffer," Disk <%d> ",i);
+ add_item(buffer,"Disk",OPT_SUBMENU,NULL,DISK_SUBMENU[i]);
+}
+}
+
+void compute_submenus(s_dmi *dmi, s_cpu *cpu, struct pci_domain **pci_domain, struct diskinfo *disk_info) {
if (is_dmi_valid) {
compute_motherboard(&MOBO_MENU,dmi);
compute_chassis(&CHASSIS_MENU,dmi);
@@ -634,6 +768,7 @@ if (is_dmi_valid) {
compute_battery(&BATTERY_MENU,dmi);
}
compute_processor(&CPU_MENU,cpu,dmi);
+ compute_disks(&DISK_MENU,disk_info);
#ifdef WITH_PCI
compute_PCI(&PCI_MENU,pci_domain);
#endif
@@ -642,7 +777,9 @@ if (is_dmi_valid) {
void compute_main_menu() {
MAIN_MENU = add_menu(" Main Menu ",-1);
set_item_options(-1,24);
- add_item("<P>rocessor","Main Processor",OPT_SUBMENU,NULL,CPU_MENU);
+ if (nb_sub_disk_menu>0)
+ add_item("<D>isks","Disks",OPT_SUBMENU,NULL,DISK_MENU);
+ add_item("<P>rocessor","Main Processor",OPT_SUBMENU,NULL,CPU_MENU);
if (is_dmi_valid) {
add_item("<M>otherboard","Motherboard",OPT_SUBMENU,NULL,MOBO_MENU);
@@ -668,7 +805,7 @@ int main(void)
detect_hardware(&dmi,&cpu,&pci_domain,disk_info);
- compute_submenus(&dmi,&cpu,&pci_domain);
+ compute_submenus(&dmi,&cpu,&pci_domain,disk_info);
compute_main_menu();