repo_name
string
dataset
string
owner
string
lang
string
func_name
string
code
string
docstring
string
url
string
sha
string
Whisper
github_2023
Const-me
c
ggml_compute_backward
static void ggml_compute_backward(struct ggml_context * ctx, struct ggml_tensor * tensor, bool inplace) { struct ggml_tensor * src0 = tensor->src0; struct ggml_tensor * src1 = tensor->src1; switch (tensor->op) { case GGML_OP_DUP: { if (src0->grad) { s...
////////////////////////////////////////////////////////////////////////////////
https://github.com/Const-me/Whisper/blob/306aadd1fce4b168cd38659236f4ba7c1603cebd/Whisper/source/ggml.c#L6484-L6726
306aadd1fce4b168cd38659236f4ba7c1603cebd
Whisper
github_2023
Const-me
c
ggml_graph_find
static bool ggml_graph_find(const struct ggml_cgraph * cgraph, const struct ggml_tensor * node) { if (cgraph == NULL) { return true; } for (int i = 0; i < cgraph->n_nodes; i++) { if (cgraph->nodes[i] == node) { return true; } } return false; }
// check if node is part of the graph
https://github.com/Const-me/Whisper/blob/306aadd1fce4b168cd38659236f4ba7c1603cebd/Whisper/source/ggml.c#L7442-L7454
306aadd1fce4b168cd38659236f4ba7c1603cebd
Whisper
github_2023
Const-me
c
ggml_opt_set_params
static void ggml_opt_set_params(int np, struct ggml_tensor * const ps[], const float * x) { int i = 0; for (int p = 0; p < np; ++p) { const int ne = ggml_nelements(ps[p]) ; // TODO: add function to set tensor from array for (int j = 0; j < ne; ++j) { ggml_set_f32_1d(ps[p], j,...
////////////////////////////////////////////////////////////////////////////////
https://github.com/Const-me/Whisper/blob/306aadd1fce4b168cd38659236f4ba7c1603cebd/Whisper/source/ggml.c#L7585-L7594
306aadd1fce4b168cd38659236f4ba7c1603cebd
Whisper
github_2023
Const-me
c
ggml_opt_adam
static enum ggml_opt_result ggml_opt_adam( struct ggml_context * ctx, struct ggml_opt_params params, struct ggml_tensor * f, struct ggml_cgraph * gf, struct ggml_cgraph * gb) { assert(ggml_is_scalar(f)); gf->n_threads = params.n_threads; gb->n_threads = params.n_thre...
// // ADAM // // ref: https://arxiv.org/pdf/1412.6980.pdf //
https://github.com/Const-me/Whisper/blob/306aadd1fce4b168cd38659236f4ba7c1603cebd/Whisper/source/ggml.c#L7624-L7794
306aadd1fce4b168cd38659236f4ba7c1603cebd
Whisper
github_2023
Const-me
c
ggml_cpu_has_avx
int ggml_cpu_has_avx(void) { #if defined(__AVX__) return 1; #else return 0; #endif }
////////////////////////////////////////////////////////////////////////////////
https://github.com/Const-me/Whisper/blob/306aadd1fce4b168cd38659236f4ba7c1603cebd/Whisper/source/ggml.c#L8256-L8262
306aadd1fce4b168cd38659236f4ba7c1603cebd
libxev
github_2023
mitchellh
c
task_callback
void task_callback(xev_threadpool_task* t) { job_t *job = container_of(t, job_t, pool_task); job->done = true; }
// This is the callback that is invoked when the task is being worked on.
https://github.com/mitchellh/libxev/blob/c6e8719a321088691829e2e4bf4d13eed5d4fb69/examples/threadpool.c#L22-L25
c6e8719a321088691829e2e4bf4d13eed5d4fb69
LenovoLegionLinux
github_2023
johnfanv2
c
acpi_erax_dh
void acpi_erax_dh(acpi_handle object, void *data){ pr_info("sdfsdf\n"); }
/* ================================================ */ /* Trying to find memory region experiements */ /* ================================================ */ // experimental and currently not used!
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop-unused-snippets.c#L418-L420
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
legion_acpi_get_ec_start
static int legion_acpi_get_ec_start(struct acpi_device *adev, phys_addr_t * mm_start_addr){ struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; struct acpi_resource *resource; //struct acpi_resource_address64 address; acpi_status status; int err; unsigned long long erax_addr; struct acpi_device_info *in...
/** * Get the memory mapped start address of the memory of the embedded controller . */
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop-unused-snippets.c#L455-L550
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
ideapad_acpi_add
static int ideapad_acpi_add(struct acpi_device *adev) { struct legion_private *priv = &_legion_priv; int err; phys_addr_t start_addr_ec; pr_info("Loading platform/ACPI driver.\n"); if (!adev || eval_int(adev->handle, "_CFG", &cfg)){ err = -ENODEV; return err; } pr_info("acpi device and _CFG successful.\n")...
//////////// /* * Platform driver from ideapad_acpi.c in linux kernel (modified) * Use either that or ACPI driver. */
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop-unused-snippets.c#L563-L589
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
eval_int
static int eval_int(acpi_handle handle, const char *name, unsigned long *res) { unsigned long long result; acpi_status status; status = acpi_evaluate_integer(handle, (char *)name, NULL, &result); if (ACPI_FAILURE(status)) return -EIO; *res = result; return 0; }
/* ================================= */ /* ACPI and WMI access */ /* ================================= */ // function from ideapad-laptop.c
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop.c#L1354-L1366
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
exec_simple_method
static int exec_simple_method(acpi_handle handle, const char *name, unsigned long arg) { acpi_status status = acpi_execute_simple_method(handle, (char *)name, arg); return ACPI_FAILURE(status) ? -EIO : 0; }
// function from ideapad-laptop.c
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop.c#L1369-L1376
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
exec_sbmc
static int exec_sbmc(acpi_handle handle, unsigned long arg) { // \_SB.PCI0.LPC0.EC0.VPC0.SBMC return exec_simple_method(handle, "VPC0.SBMC", arg); }
// function from ideapad-laptop.c
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop.c#L1379-L1383
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
eval_gbmd
static int eval_gbmd(acpi_handle handle, unsigned long *res) { return eval_int(handle, "VPC0.GBMD", res); }
//static int eval_qcho(acpi_handle handle, unsigned long *res) //{ // // \_SB.PCI0.LPC0.EC0.QCHO // return eval_int(handle, "QCHO", res); //}
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop.c#L1391-L1394
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
wmi_exec_ints
static int wmi_exec_ints(const char *guid, u8 instance, u32 method_id, const struct acpi_buffer *params, u8 *res, size_t ressize) { acpi_status status; struct acpi_buffer out_buffer = { ACPI_ALLOCATE_BUFFER, NULL }; status = wmi_evaluate_method(guid, instance, method_id, params, &out_buffer); retu...
//static int exec_ints(acpi_handle handle, const char *method_name, // struct acpi_object_list *params, u8 *res, size_t ressize) //{ // acpi_status status; // struct acpi_buffer out_buffer = { ACPI_ALLOCATE_BUFFER, NULL }; // status = acpi_evaluate_object(handle, (acpi_string)method_name, params, // &out...
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop.c#L1459-L1470
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
ecram_memoryio_init
static ssize_t ecram_memoryio_init(struct ecram_memoryio *ec_memoryio, phys_addr_t physical_start, phys_addr_t physical_ec_start, size_t size) { void *virtual_start = ioremap(physical_start, size); if (!IS_ERR_OR_NULL(virtual_start)) { ec_memoryio->virtual_start = virtual_start; ec_memoryio->physic...
/** * physical_start : corresponds to EC RAM 0 inside EC * size: size of remapped region * * strong exception safety */
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop.c#L1760-L1781
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
ecram_memoryio_read
static ssize_t ecram_memoryio_read(const struct ecram_memoryio *ec_memoryio, u16 ec_offset, u8 *value) { if (ec_offset < ec_memoryio->physical_ec_start) { pr_info("Unexpected read at offset %d into EC RAM\n", ec_offset); return -1; } *value = *(ec_memoryio->virtual_start + (ec_offset - ec_memoryio...
/* Read a byte from the EC RAM. * * Return status because of commong signature for alle * methods to access EC RAM. */
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop.c#L1800-L1811
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
ecram_memoryio_write
static ssize_t ecram_memoryio_write(const struct ecram_memoryio *ec_memoryio, u16 ec_offset, u8 value) { if (ec_offset < ec_memoryio->physical_ec_start) { pr_info("Unexpected write at offset %d into EC RAM\n", ec_offset); return -1; } *(ec_memoryio->virtual_start + (ec_offset - ec_memoryio->physica...
/* Write a byte to the EC RAM. * * Return status because of commong signature for alle * methods to access EC RAM. */
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop.c#L1818-L1829
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
ecram_portio_read
static ssize_t ecram_portio_read(struct ecram_portio *ec_portio, u16 offset, u8 *value) { mutex_lock(&ec_portio->io_port_mutex); outb(0x2E, ECRAM_PORTIO_ADDR_PORT); outb(0x11, ECRAM_PORTIO_DATA_PORT); outb(0x2F, ECRAM_PORTIO_ADDR_PORT); // TODO: no explicit cast between types seems to be sometimes // done a...
/* Read a byte from the EC RAM. * * Return status because of commong signature for alle * methods to access EC RAM. */
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop.c#L1899-L1923
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
ecram_portio_write
static ssize_t ecram_portio_write(struct ecram_portio *ec_portio, u16 offset, u8 value) { mutex_lock(&ec_portio->io_port_mutex); outb(0x2E, ECRAM_PORTIO_ADDR_PORT); outb(0x11, ECRAM_PORTIO_DATA_PORT); outb(0x2F, ECRAM_PORTIO_ADDR_PORT); // TODO: no explicit cast between types seems to be sometimes // done ...
/* Write a byte to the EC RAM. * * Return status because of commong signature for alle * methods to access EC RAM. */
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop.c#L1930-L1956
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
ecram_read
static u8 ecram_read(struct ecram *ecram, u16 ecram_offset) { u8 value; int err; err = ecram_portio_read(&ecram->portio, ecram_offset, &value); if (err) pr_info("Error reading EC RAM at 0x%x.\n", ecram_offset); return value; }
/** Read from EC RAM * ecram_offset address on the EC */
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop.c#L1994-L2003
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
read_ec_id
static u16 read_ec_id(struct ecram *ecram, const struct model_config *model) { u8 id1 = ecram_read(ecram, model->registers->ECHIPID1); u8 id2 = ecram_read(ecram, model->registers->ECHIPID2); return (id1 << 8) + id2; }
/* =============================== */ /* Reads from EC */ /* =============================== */
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop.c#L2024-L2030
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
fancurve_is_valid_min_temp
static bool fancurve_is_valid_min_temp(int min_temp) { return min_temp >= 0 && min_temp <= 127; }
// validation functions
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop.c#L2133-L2136
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
fancurve_set_speed_pwm
static bool fancurve_set_speed_pwm(struct fancurve *fancurve, int point_id, int fan_id, int value) { u8 *speed; if (!(point_id == 0 ? value == 0 : (value >= 0 && value <= 255))) { pr_err("Value %d PWM not in allowed range to point with id %d", value, point_id); return false; } if (!(point_id < ...
// setters with validation // - make hwmon implementation easier // - keep fancurve valid, otherwise EC will not properly control fan
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop.c#L2147-L2181
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
fancurve_set_accel
static bool fancurve_set_accel(struct fancurve *fancurve, int point_id, int accel) { bool valid = accel >= 2 && accel <= 5; if (valid) fancurve->points[point_id].accel = accel; return valid; }
// TODO: remove { ... } from single line if body
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop.c#L2225-L2233
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
ec_read_sensor_values
static int ec_read_sensor_values(struct ecram *ecram, const struct model_config *model, struct sensor_values *values) { values->fan1_target_rpm = 100 * ecram_read(ecram, model->registers->EXT_FAN1_TARGET_RPM); values->fan2_target_rpm = 100 * ecram_read(ecram, model->registers->EXT_FAN2_TARGET_RPM); va...
/* ============================= */ /* Sensor value reading/writing */ /* ============================= */
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop.c#L2519-L2549
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
wmi_read_fanspeed
static ssize_t wmi_read_fanspeed(int fan_id, int *fanspeed_rpm) { int err; unsigned long res; struct acpi_buffer params; params.length = 1; params.pointer = &fan_id; err = wmi_exec_int(WMI_GUID_LENOVO_FAN_METHOD, 0, WMI_METHOD_ID_FAN_GETCURRENTFANSPEED, &params, &res); if (!err) *fanspeed_rpm = res; ...
// fan_id: 0 or 1
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop.c#L2650-L2665
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
wmi_read_temperature
static ssize_t wmi_read_temperature(int sensor_id, int *temperature) { int err; unsigned long res; struct acpi_buffer params; if (sensor_id == 0) sensor_id = 0x03; else if (sensor_id == 1) sensor_id = 0x04; else { // TODO: use all correct error codes return -EEXIST; } params.length = 1; params.pointe...
//sensor_id: cpu = 0, gpu = 1
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop.c#L2668-L2693
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
wmi_read_fanspeed_gz
static ssize_t wmi_read_fanspeed_gz(int fan_id, int *fanspeed_rpm) { int err; u32 method_id; unsigned long res; if (fan_id == 0) method_id = WMI_METHOD_ID_GETFAN1SPEED; else if (fan_id == 1) method_id = WMI_METHOD_ID_GETFAN2SPEED; else { // TODO: use all correct error codes return -EEXIST; } err = wmi_...
// fan_id: 0 or 1
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop.c#L2696-L2715
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
wmi_read_temperature_gz
static ssize_t wmi_read_temperature_gz(int sensor_id, int *temperature) { int err; u32 method_id; unsigned long res; if (sensor_id == 0) method_id = WMI_METHOD_ID_GETCPUTEMP; else if (sensor_id == 1) method_id = WMI_METHOD_ID_GETGPUTEMP; else { // TODO: use all correct error codes return -EEXIST; } er...
//sensor_id: cpu = 0, gpu = 1
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop.c#L2718-L2738
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
wmi_read_fanspeed_other
static ssize_t wmi_read_fanspeed_other(int fan_id, int *fanspeed_rpm) { int err; enum OtherMethodFeature featured_id; int res; if (fan_id == 0) featured_id = OtherMethodFeature_FAN_SPEED_1; else if (fan_id == 1) featured_id = OtherMethodFeature_FAN_SPEED_2; else { // TODO: use all correct error codes ret...
// fan_id: 0 or 1
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop.c#L2741-L2761
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
wmi_read_temperature_other
static ssize_t wmi_read_temperature_other(int sensor_id, int *temperature) { int err; enum OtherMethodFeature featured_id; int res; if (sensor_id == 0) featured_id = OtherMethodFeature_TEMP_CPU; else if (sensor_id == 1) featured_id = OtherMethodFeature_TEMP_GPU; else { // TODO: use all correct error codes ...
//sensor_id: cpu = 0, gpu = 1
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop.c#L2764-L2783
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
ec_read_fancurve_legion
static int ec_read_fancurve_legion(struct ecram *ecram, const struct model_config *model, struct fancurve *fancurve) { size_t i = 0; fancurve->fan_speed_unit = FAN_SPEED_UNIT_RPM_HUNDRED; for (i = 0; i < MAXFANCURVESIZE; ++i) { struct fancurve_point *point = &fancurve->points[i]; point->speed1 = ...
/* Read the fan curve from the EC. * * In newer models (>=2022) there is an ACPI/WMI to read fan curve as * a whole. So read/write fan table as a whole to use the * same interface for both cases. * * It reads all points from EC memory, even if stored fancurve is smaller, so * it can contain 0 entries. */
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop.c#L2958-L3002
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
toggle_powermode
static void toggle_powermode(struct legion_private *priv) { int old_powermode; int next_powermode; read_powermode(priv, &old_powermode); next_powermode = old_powermode == 0 ? 1 : 0; write_powermode(priv, next_powermode); mdelay(1500); write_powermode(priv, old_powermode); }
/** * Shortly toggle powermode to a different mode * and switch back, e.g. to reset fan curve. */
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop.c#L3599-L3610
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
legion_kbd_bl2_brightness_get
static ssize_t legion_kbd_bl2_brightness_get(struct legion_private *priv) { unsigned long state = 0; int err; err = wmi_exec_noarg_int(LEGION_WMI_GAMEZONE_GUID, 0, WMI_METHOD_ID_GETKEYBOARDLIGHT, &state); if (err) return -EINVAL; return state; }
/* ============================= */ /* Keyboard backlight read/write */ /* ============================= */
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop.c#L3659-L3670
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
debugfs_ecmemory_show
static int debugfs_ecmemory_show(struct seq_file *s, void *unused) { struct legion_private *priv = s->private; size_t offset; for (offset = 0; offset < priv->conf->memoryio_size; ++offset) { char value = ecram_read(&priv->ecram, priv->conf->memoryio_physical_ec_start + offset); seq_write(s, &value, ...
/* ============================= */ /* debugfs interface */ /* ============================ */
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop.c#L3761-L3774
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
seq_file_print_with_error
static void seq_file_print_with_error(struct seq_file *s, const char *name, ssize_t err, int value) { seq_printf(s, "%s error: %ld\n", name, err); seq_printf(s, "%s: %d\n", name, value); }
//TODO: make (almost) all methods static
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop.c#L3799-L3804
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
show_simple_wmi_attribute
static int show_simple_wmi_attribute(struct device *dev, struct device_attribute *attr, char *buf, const char *guid, u8 instance, u32 method_id, bool invert, unsigned long scale) { unsigned long state = 0; int err; struct legion_private *priv = dev_get_drvdata(dev); mutex_lock(&...
/* ============================= */ /* sysfs interface */ /* ============================ */
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop.c#L3990-L4009
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
touchpad_show
static ssize_t touchpad_show(struct device *dev, struct device_attribute *attr, char *buf) { return show_simple_wmi_attribute(dev, attr, buf, LEGION_WMI_GAMEZONE_GUID, 0, WMI_METHOD_ID_GETTPSTATUS, true, 1); }
// on newer models the touchpad feature in ideapad does not work anymore, so // we need this
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop.c#L4196-L4202
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
cpumaxfrequency_show
static ssize_t cpumaxfrequency_show(struct device *dev, struct device_attribute *attr, char *buf) { return show_simple_wmi_attribute(dev, attr, buf, LEGION_WMI_GAMEZONE_GUID, 0, WMI_METHOD_ID_GETCPUMAXFREQUENCY, false, 1); }
// TOOD: probably remove again because provided by other means; only useful for overclocking
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop.c#L4273-L4280
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
gpu_default_ppab_ctrgp_powerlimit_show
static ssize_t gpu_default_ppab_ctrgp_powerlimit_show(struct device *dev, struct device_attribute *attr, char *buf) { return show_simple_wmi_attribute( dev, attr, buf, WMI_GUID_LENOVO_GPU_METHOD, 0, WMI_METHOD_ID_GPU_GET_DEFAULT_PPAB_CTGP_POWERLIMIT, false, 1); }
// TOOD: probably remove again because provided by other means; only useful for overclocking
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop.c#L4518-L4525
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
gpu_boost_clock_show
static ssize_t gpu_boost_clock_show(struct device *dev, struct device_attribute *attr, char *buf) { return show_simple_wmi_attribute(dev, attr, buf, WMI_GUID_LENOVO_GPU_METHOD, 0, WMI_METHOD_ID_GPU_GET_BOOST_CLOCK, false, 1); }
// TOOD: probably remove again because provided by other means; only useful for overclocking
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop.c#L4549-L4556
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
legion_wmi_notify
static void legion_wmi_notify(struct wmi_device *wdev, union acpi_object *data) { struct legion_wmi_private *wpriv; struct legion_private *priv; mutex_lock(&legion_shared_mutex); priv = legion_shared; if ((!priv) && (priv->loaded)) { pr_info("Received WMI event while not initialized!\n"); goto unlock; } wp...
//static void legion_wmi_notify2(u32 value, void *context) // { // pr_info("WMI notify\n" ); // }
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop.c#L4742-L4775
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
legion_wmi_init
static int legion_wmi_init(void) { return wmi_driver_register(&legion_wmi_driver); }
//acpi_status status = wmi_install_notify_handler(LEGION_WMI_GAMEZONE_GUID, // legion_wmi_notify2, NULL); //if (ACPI_FAILURE(status)) { // return -ENODEV; //} //return 0;
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop.c#L4855-L4858
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
legion_platform_profile_notify
static void legion_platform_profile_notify(void) { if (!enable_platformprofile) pr_info("Skipping platform_profile_notify because enable_platformprofile is false\n"); platform_profile_notify(); }
/* ============================= */ /* Platform profile */ /* ============================ */
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop.c#L4874-L4880
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
sensor_label_show
static ssize_t sensor_label_show(struct device *dev, struct device_attribute *attr, char *buf) { int sensor_id = (to_sensor_dev_attr(attr))->index; const char *label; switch (sensor_id) { case SENSOR_CPU_TEMP_ID: label = "CPU Temperature\n"; break; case SENSOR_GPU_TEMP_ID: label = "GPU Temperature\n"; ...
/* ============================= */ /* hwom interface */ /* ============================ */ // hw-mon interface // todo: register_group or register_info? // TODO: use one common function (like here) or one function per attribute?
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop.c#L4992-L5025
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
sensor_show
static ssize_t sensor_show(struct device *dev, struct device_attribute *devattr, char *buf) { struct legion_private *priv = dev_get_drvdata(dev); int sensor_id = (to_sensor_dev_attr(devattr))->index; struct sensor_values values; int outval; int err = -EIO; switch (sensor_id) { case SENSOR_CPU_TEMP_ID: e...
// TODO: use one common function (like here) or one function per attribute?
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop.c#L5028-L5075
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
pwm1_mode_store
static ssize_t pwm1_mode_store(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { int value; int is_maximumfanspeed; int err; struct legion_private *priv = dev_get_drvdata(dev); err = kstrtoint(buf, 0, &value); if (err) { err = -1; pr_info("Parsing hwmo...
// TODO: remove? or use WMI method?
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop.c#L5593-L5625
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
acpi_init
static int acpi_init(struct legion_private *priv, struct acpi_device *adev) { int err; unsigned long cfg; bool skip_acpi_sta_check; struct device *dev = &priv->platform_device->dev; priv->adev = adev; if (!priv->adev) { dev_info(dev, "Could not get ACPI handle\n"); goto err_acpi_init; } skip_acpi_sta_chec...
/* ACPI*/
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop.c#L5800-L5835
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
legion_kbd_bl_led_cdev_brightness_get
static enum led_brightness legion_kbd_bl_led_cdev_brightness_get(struct led_classdev *led_cdev) { struct legion_private *priv = container_of(led_cdev, struct legion_private, kbd_bl.led); return legion_kbd_bl_brightness_get(priv); }
/* ============================= */ /* White Keyboard Backlight */ /* ============================ */ // In style of ideapad-driver and with code modified from ideapad-driver.
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop.c#L5842-L5849
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
legion_kbd_bl_exit
static void legion_kbd_bl_exit(struct legion_private *priv) { if (!priv->kbd_bl.initialized) return; priv->kbd_bl.initialized = false; led_classdev_unregister(&priv->kbd_bl.led); }
/** * Deinit keyboard backlight. * * Can also be called if init was not successful. * */
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop.c#L5906-L5914
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
legion_wmi_cdev_brightness_get
static enum led_brightness legion_wmi_cdev_brightness_get(struct led_classdev *led_cdev) { struct legion_private *priv = container_of(led_cdev, struct legion_private, kbd_bl.led); struct light *light_ins = container_of(led_cdev, struct light, led); return legion_wmi_light_get(priv, light_ins->light_id, li...
/* ============================= */ /* Additional light driver */ /* ============================ */
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop.c#L5920-L5930
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
legion_light_exit
static void legion_light_exit(struct legion_private *priv, struct light *light_ins) { if (!light_ins->initialized) return; light_ins->initialized = false; led_classdev_unregister(&light_ins->led); }
/** * Deinit light. * * Can also be called if init was not successful. * */
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop.c#L5992-L6001
ae96a82adb879e729c5727c8769888b47ee1181f
LenovoLegionLinux
github_2023
johnfanv2
c
legion_add
static int legion_add(struct platform_device *pdev) { struct legion_private *priv; const struct dmi_system_id *dmi_sys; int err; u16 ec_read_id; bool skip_ec_id_check; bool is_ec_id_valid; bool is_denied = true; bool is_allowed = false; bool do_load_by_list = false; bool do_load = false; //struct legion_priv...
/* ============================= */ /* Platform driver */ /* ============================ */
https://github.com/johnfanv2/LenovoLegionLinux/blob/ae96a82adb879e729c5727c8769888b47ee1181f/kernel_module/legion-laptop.c#L6007-L6210
ae96a82adb879e729c5727c8769888b47ee1181f
teddycloud
github_2023
toniebox-reverse-engineering
c
open_append
FRESULT open_append ( FIL* fp, /* [OUT] File object to create */ const char* path /* [IN] File name to be opened */ ) { FRESULT fr; /* Opens an existing file. If not exist, creates a new file. */ fr = f_open(fp, path, FA_WRITE | FA_OPEN_ALWAYS); if (fr == FR_OK) { /* Seek...
/*------------------------------------------------------------/ / Open or create a file in append mode / (This function was sperseded by FA_OPEN_APPEND flag at FatFs R0.12a) /------------------------------------------------------------*/
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/documents/res/app1.c#L6-L22
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
delete_node
FRESULT delete_node ( TCHAR* path, /* Path name buffer with the sub-directory to delete */ UINT sz_buff, /* Size of path name buffer (items) */ FILINFO* fno /* Name read buffer */ ) { UINT i, j; FRESULT fr; DIR dir; fr = f_opendir(&dir, path); /* Open the sub-directory to make it e...
/*------------------------------------------------------------/ / Delete a sub-directory even if it contains any file /-------------------------------------------------------------/ / The delete_node() function is for R0.12+. / It works regardless of FF_FS_RPATH. */
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/documents/res/app2.c#L9-L49
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
test_contiguous_file
FRESULT test_contiguous_file ( FIL* fp, /* [IN] Open file object to be checked */ int* cont /* [OUT] 1:Contiguous, 0:Fragmented or zero-length */ ) { DWORD clst, clsz, step; FSIZE_t fsz; FRESULT fr; *cont = 0; fr = f_rewind(fp); /* Validates and prepares the file */ ...
/*----------------------------------------------------------------------/ / Test if the file is contiguous / /----------------------------------------------------------------------*/
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/documents/res/app5.c#L5-L38
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
disk_status
DSTATUS disk_status ( BYTE pdrv /* Physical drive nmuber to identify the drive */ ) { DSTATUS stat; int result; switch (pdrv) { case DEV_RAM : result = RAM_disk_status(); // translate the reslut code here return stat; case DEV_MMC : result = MMC_disk_status(); // translate the reslut code here ...
/*-----------------------------------------------------------------------*/ /* Get Drive Status */ /*-----------------------------------------------------------------------*/
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/source/diskio.c#L23-L53
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
disk_initialize
DSTATUS disk_initialize ( BYTE pdrv /* Physical drive nmuber to identify the drive */ ) { DSTATUS stat; int result; switch (pdrv) { case DEV_RAM : result = RAM_disk_initialize(); // translate the reslut code here return stat; case DEV_MMC : result = MMC_disk_initialize(); // translate the reslut...
/*-----------------------------------------------------------------------*/ /* Inidialize a Drive */ /*-----------------------------------------------------------------------*/
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/source/diskio.c#L61-L91
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
disk_read
DRESULT disk_read ( BYTE pdrv, /* Physical drive nmuber to identify the drive */ BYTE *buff, /* Data buffer to store read data */ LBA_t sector, /* Start sector in LBA */ UINT count /* Number of sectors to read */ ) { DRESULT res; int result; switch (pdrv) { case DEV_RAM : // translate the arguments here ...
/*-----------------------------------------------------------------------*/ /* Read Sector(s) */ /*-----------------------------------------------------------------------*/
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/source/diskio.c#L99-L139
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
disk_ioctl
DRESULT disk_ioctl ( BYTE pdrv, /* Physical drive nmuber (0..) */ BYTE cmd, /* Control code */ void *buff /* Buffer to send/receive control data */ ) { DRESULT res; int result; switch (pdrv) { case DEV_RAM : // Process of the command for the RAM drive return res; case DEV_MMC : // Process of the c...
/*-----------------------------------------------------------------------*/ /* Miscellaneous Functions */ /*-----------------------------------------------------------------------*/
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/source/diskio.c#L198-L228
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
ld_word
static WORD ld_word (const BYTE* ptr) /* Load a 2-byte little-endian word */ { WORD rv; rv = ptr[1]; rv = rv << 8 | ptr[0]; return rv; }
/*-------------------------------------------------------------------------- Module Private Functions ---------------------------------------------------------------------------*/ /*-----------------------------------------------------------------------*/ /* Load/Store multi-byte word in the FAT structure ...
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/source/ff.c#L618-L625
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
dbc_1st
static int dbc_1st (BYTE c) { #if FF_CODE_PAGE == 0 /* Variable code page */ if (DbcTbl && c >= DbcTbl[0]) { if (c <= DbcTbl[1]) return 1; /* 1st byte range 1 */ if (c >= DbcTbl[2] && c <= DbcTbl[3]) return 1; /* 1st byte range 2 */ } #elif FF_CODE_PAGE >= 900 /* DBCS fixed code page */ if (c >= DbcTbl[0]) ...
/* !FF_FS_READONLY */ /*-----------------------------------------------------------------------*/ /* String functions */ /*-----------------------------------------------------------------------*/ /* Test if the byte is DBC 1st byte */
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/source/ff.c#L692-L708
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
dbc_2nd
static int dbc_2nd (BYTE c) { #if FF_CODE_PAGE == 0 /* Variable code page */ if (DbcTbl && c >= DbcTbl[4]) { if (c <= DbcTbl[5]) return 1; /* 2nd byte range 1 */ if (c >= DbcTbl[6] && c <= DbcTbl[7]) return 1; /* 2nd byte range 2 */ if (c >= DbcTbl[8] && c <= DbcTbl[9]) return 1; /* 2nd byte range 3 */ } #...
/* Test if the byte is DBC 2nd byte */
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/source/ff.c#L712-L730
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
tchar2uni
static DWORD tchar2uni ( /* Returns a character in UTF-16 encoding (>=0x10000 on surrogate pair, 0xFFFFFFFF on decode error) */ const TCHAR** str /* Pointer to pointer to TCHAR string in configured encoding */ ) { DWORD uc; const TCHAR *p = *str; #if FF_LFN_UNICODE == 1 /* UTF-16 input */ WCHAR wc; uc = *p++; ...
/* Get a Unicode code point from the TCHAR string in defined API encodeing */
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/source/ff.c#L736-L801
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
put_utf
static UINT put_utf ( /* Returns number of encoding units written (0:buffer overflow or wrong encoding) */ DWORD chr, /* UTF-16 encoded character (Surrogate pair if >=0x10000) */ TCHAR* buf, /* Output buffer */ UINT szb /* Size of the buffer */ ) { #if FF_LFN_UNICODE == 1 /* UTF-16 output */ WCHAR hs, wc; hs = (W...
/* Store a Unicode char in defined API encoding */
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/source/ff.c#L805-L886
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
lock_volume
static int lock_volume ( /* 1:Ok, 0:timeout */ FATFS* fs, /* Filesystem object to lock */ int syslock /* System lock required */ ) { int rv; #if FF_FS_LOCK rv = ff_mutex_take(fs->ldrv); /* Lock the volume */ if (rv && syslock) { /* System lock reqiered? */ rv = ff_mutex_take(FF_VOLUMES); /* Lock the sy...
/*-----------------------------------------------------------------------*/ /* Request/Release grant to access the volume */ /*-----------------------------------------------------------------------*/
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/source/ff.c#L895-L917
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
chk_share
static FRESULT chk_share ( /* Check if the file can be accessed */ DIR* dp, /* Directory object pointing the file to be checked */ int acc /* Desired access type (0:Read mode open, 1:Write mode open, 2:Delete or rename) */ ) { UINT i, be; /* Search open object table for the object */ be = 0; for (i = 0; i < F...
/*-----------------------------------------------------------------------*/ /* File shareing control functions */ /*-----------------------------------------------------------------------*/
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/source/ff.c#L945-L969
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
sync_fs
static FRESULT sync_fs ( /* Returns FR_OK or FR_DISK_ERR */ FATFS* fs /* Filesystem object */ ) { FRESULT res; res = sync_window(fs); if (res == FR_OK) { if (fs->fs_type == FS_FAT32 && fs->fsi_flag == 1) { /* FAT32: Update FSInfo sector if needed */ /* Create FSInfo structure */ memset(fs->win, 0, sizeof...
/*-----------------------------------------------------------------------*/ /* Synchronize filesystem and data on the storage */ /*-----------------------------------------------------------------------*/
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/source/ff.c#L1108-L1134
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
clst2sect
static LBA_t clst2sect ( /* !=0:Sector number, 0:Failed (invalid cluster#) */ FATFS* fs, /* Filesystem object */ DWORD clst /* Cluster# to be converted */ ) { clst -= 2; /* Cluster number is origin from 2 */ if (clst >= fs->n_fatent - 2) return 0; /* Is it invalid cluster number? */ return fs->database + (LBA_...
/*-----------------------------------------------------------------------*/ /* Get physical sector number from cluster number */ /*-----------------------------------------------------------------------*/
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/source/ff.c#L1144-L1152
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
get_fat
static DWORD get_fat ( /* 0xFFFFFFFF:Disk error, 1:Internal error, 2..0x7FFFFFFF:Cluster status */ FFOBJID* obj, /* Corresponding object */ DWORD clst /* Cluster number to get the value */ ) { UINT wc, bc; DWORD val; FATFS *fs = obj->fs; if (clst < 2 || clst >= fs->n_fatent) { /* Check if in valid range */ ...
/*-----------------------------------------------------------------------*/ /* FAT access - Read value of an FAT entry */ /*-----------------------------------------------------------------------*/
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/source/ff.c#L1161-L1229
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
put_fat
static FRESULT put_fat ( /* FR_OK(0):succeeded, !=0:error */ FATFS* fs, /* Corresponding filesystem object */ DWORD clst, /* FAT index number (cluster number) to be changed */ DWORD val /* New value to be set to the entry */ ) { UINT bc; BYTE *p; FRESULT res = FR_INT_ERR; if (clst >= 2 && clst < fs->n_faten...
/*-----------------------------------------------------------------------*/ /* FAT access - Change value of an FAT entry */ /*-----------------------------------------------------------------------*/
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/source/ff.c#L1239-L1288
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
find_bitmap
static DWORD find_bitmap ( /* 0:Not found, 2..:Cluster block found, 0xFFFFFFFF:Disk error */ FATFS* fs, /* Filesystem object */ DWORD clst, /* Cluster number to scan from */ DWORD ncl /* Number of contiguous clusters to find (1..) */ ) { BYTE bm, bv; UINT i; DWORD val, scl, ctr; clst -= 2; /* The first bit in ...
/*-----------------------------------------------------------------------*/ /* exFAT: Accessing FAT and Allocation Bitmap */ /*-----------------------------------------------------------------------*/ /*--------------------------------------*/ /* Find a contiguous free cluster block */ /*----...
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/source/ff.c#L1304-L1337
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
change_bitmap
static FRESULT change_bitmap ( FATFS* fs, /* Filesystem object */ DWORD clst, /* Cluster number to change from */ DWORD ncl, /* Number of clusters to be changed */ int bv /* bit value to be set (0 or 1) */ ) { BYTE bm; UINT i; LBA_t sect; clst -= 2; /* The first bit corresponds to cluster #2 */ sect = fs->b...
/*----------------------------------------*/ /* Set/Clear a block of allocation bitmap */ /*----------------------------------------*/
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/source/ff.c#L1344-L1373
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
fill_first_frag
static FRESULT fill_first_frag ( FFOBJID* obj /* Pointer to the corresponding object */ ) { FRESULT res; DWORD cl, n; if (obj->stat == 3) { /* Has the object been changed 'fragmented' in this session? */ for (cl = obj->sclust, n = obj->n_cont; n; cl++, n--) { /* Create cluster chain on the FAT */ res = put_f...
/*---------------------------------------------*/ /* Fill the first fragment of the FAT chain */ /*---------------------------------------------*/
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/source/ff.c#L1380-L1396
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
fill_last_frag
static FRESULT fill_last_frag ( FFOBJID* obj, /* Pointer to the corresponding object */ DWORD lcl, /* Last cluster of the fragment */ DWORD term /* Value to set the last FAT entry */ ) { FRESULT res; while (obj->n_frag > 0) { /* Create the chain of last fragment */ res = put_fat(obj->fs, lcl - obj->n_frag + ...
/*---------------------------------------------*/ /* Fill the last fragment of the FAT chain */ /*---------------------------------------------*/
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/source/ff.c#L1403-L1418
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
remove_chain
static FRESULT remove_chain ( /* FR_OK(0):succeeded, !=0:error */ FFOBJID* obj, /* Corresponding object */ DWORD clst, /* Cluster to remove a chain from */ DWORD pclst /* Previous cluster of clst (0 if entire chain) */ ) { FRESULT res = FR_OK; DWORD nxt; FATFS *fs = obj->fs; #if FF_FS_EXFAT || FF_USE_TRIM D...
/*-----------------------------------------------------------------------*/ /* FAT handling - Remove a cluster chain */ /*-----------------------------------------------------------------------*/
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/source/ff.c#L1429-L1515
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
create_chain
static DWORD create_chain ( /* 0:No free cluster, 1:Internal error, 0xFFFFFFFF:Disk error, >=2:New cluster# */ FFOBJID* obj, /* Corresponding object */ DWORD clst /* Cluster# to stretch, 0:Create a new chain */ ) { DWORD cs, ncl, scl; FRESULT res; FATFS *fs = obj->fs; if (clst == 0) { /* Create a new chain *...
/*-----------------------------------------------------------------------*/ /* FAT handling - Stretch a chain or Create a new chain */ /*-----------------------------------------------------------------------*/
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/source/ff.c#L1524-L1615
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
clmt_clust
static DWORD clmt_clust ( /* <2:Error, >=2:Cluster number */ FIL* fp, /* Pointer to the file object */ FSIZE_t ofs /* File offset to be converted to cluster# */ ) { DWORD cl, ncl; DWORD *tbl; FATFS *fs = fp->obj.fs; tbl = fp->cltbl + 1; /* Top of CLMT */ cl = (DWORD)(ofs / SS(fs) / fs->csize); /* Cluster ord...
/*-----------------------------------------------------------------------*/ /* FAT handling - Convert offset into cluster with link map table */ /*-----------------------------------------------------------------------*/
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/source/ff.c#L1627-L1646
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
dir_sdi
static FRESULT dir_sdi ( /* FR_OK(0):succeeded, !=0:error */ DIR* dp, /* Pointer to directory object */ DWORD ofs /* Offset of directory table */ ) { DWORD csz, clst; FATFS *fs = dp->obj.fs; if (ofs >= (DWORD)((FF_FS_EXFAT && fs->fs_type == FS_EXFAT) ? MAX_DIR_EX : MAX_DIR) || ofs % SZDIRE) { /* Check range of...
/* !FF_FS_READONLY */ /*-----------------------------------------------------------------------*/ /* Directory handling - Set directory index */ /*-----------------------------------------------------------------------*/
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/source/ff.c#L1697-L1736
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
dir_next
static FRESULT dir_next ( /* FR_OK(0):succeeded, FR_NO_FILE:End of table, FR_DENIED:Could not stretch */ DIR* dp, /* Pointer to the directory object */ int stretch /* 0: Do not stretch table, 1: Stretch table if needed */ ) { DWORD ofs, clst; FATFS *fs = dp->obj.fs; ofs = dp->dptr + SZDIRE; /* Next entry *...
/*-----------------------------------------------------------------------*/ /* Directory handling - Move directory table index next */ /*-----------------------------------------------------------------------*/
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/source/ff.c#L1745-L1796
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
ld_clust
static DWORD ld_clust ( /* Returns the top cluster value of the SFN entry */ FATFS* fs, /* Pointer to the fs object */ const BYTE* dir /* Pointer to the key entry */ ) { DWORD cl; cl = ld_word(dir + DIR_FstClusLO); if (fs->fs_type == FS_FAT32) { cl |= (DWORD)ld_word(dir + DIR_FstClusHI) << 16; } return cl...
/* !FF_FS_READONLY */ /*-----------------------------------------------------------------------*/ /* FAT: Directory handling - Load/Store start cluster number */ /*-----------------------------------------------------------------------*/
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/source/ff.c#L1848-L1861
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
cmp_lfn
static int cmp_lfn ( /* 1:matched, 0:not matched */ const WCHAR* lfnbuf, /* Pointer to the LFN working buffer to be compared */ BYTE* dir /* Pointer to the directory entry containing the part of LFN */ ) { UINT i, s; WCHAR wc, uc; if (ld_word(dir + LDIR_FstClusLO) != 0) return 0; /* Check LDIR_FstClusLO */ ...
/*--------------------------------------------------------*/ /* FAT-LFN: Compare a part of file name with an LFN entry */ /*--------------------------------------------------------*/
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/source/ff.c#L1885-L1913
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
pick_lfn
static int pick_lfn ( /* 1:succeeded, 0:buffer overflow or invalid LFN entry */ WCHAR* lfnbuf, /* Pointer to the LFN working buffer */ BYTE* dir /* Pointer to the LFN entry */ ) { UINT i, s; WCHAR wc, uc; if (ld_word(dir + LDIR_FstClusLO) != 0) return 0; /* Check LDIR_FstClusLO is 0 */ i = ((dir[LDIR_Ord] &...
/*-----------------------------------------------------*/ /* FAT-LFN: Pick a part of file name from an LFN entry */ /*-----------------------------------------------------*/
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/source/ff.c#L1921-L1950
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
put_lfn
static void put_lfn ( const WCHAR* lfn, /* Pointer to the LFN */ BYTE* dir, /* Pointer to the LFN entry to be created */ BYTE ord, /* LFN order (1-20) */ BYTE sum /* Checksum of the corresponding SFN */ ) { UINT i, s; WCHAR wc; dir[LDIR_Chksum] = sum; /* Set checksum */ dir[LDIR_Attr] = AM_LFN; /* Se...
/*-----------------------------------------*/ /* FAT-LFN: Create an entry of LFN entries */ /*-----------------------------------------*/
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/source/ff.c#L1959-L1984
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
gen_numname
static void gen_numname ( BYTE* dst, /* Pointer to the buffer to store numbered SFN */ const BYTE* src, /* Pointer to SFN in directory form */ const WCHAR* lfn, /* Pointer to LFN */ UINT seq /* Sequence number */ ) { BYTE ns[8], c; UINT i, j; WCHAR wc; DWORD sreg; memcpy(dst, src, 11); /* Prepare the SFN...
/*-----------------------------------------------------------------------*/ /* FAT-LFN: Create a Numbered SFN */ /*-----------------------------------------------------------------------*/
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/source/ff.c#L1996-L2043
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
sum_sfn
static BYTE sum_sfn ( const BYTE* dir /* Pointer to the SFN entry */ ) { BYTE sum = 0; UINT n = 11; do { sum = (sum >> 1) + (sum << 7) + *dir++; } while (--n); return sum; }
/*-----------------------------------------------------------------------*/ /* FAT-LFN: Calculate checksum of an SFN entry */ /*-----------------------------------------------------------------------*/
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/source/ff.c#L2053-L2064
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
xdir_sum
static WORD xdir_sum ( /* Get checksum of the directoly entry block */ const BYTE* dir /* Directory entry block to be calculated */ ) { UINT i, szblk; WORD sum; szblk = (dir[XDIR_NumSec] + 1) * SZDIRE; /* Number of bytes of the entry block */ for (i = sum = 0; i < szblk; i++) { if (i == XDIR_SetSum) { /* Skip...
/*-----------------------------------------------------------------------*/ /* exFAT: Checksum */ /*-----------------------------------------------------------------------*/
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/source/ff.c#L2075-L2092
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
load_xdir
static FRESULT load_xdir ( /* FR_INT_ERR: invalid entry block */ DIR* dp /* Reading directory object pointing top of the entry block to load */ ) { FRESULT res; UINT i, sz_ent; BYTE *dirb = dp->obj.fs->dirbuf; /* Pointer to the on-memory directory entry block 85+C0+C1s */ /* Load file directory entry */ res...
/*------------------------------------*/ /* exFAT: Get a directory entry block */ /*------------------------------------*/
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/source/ff.c#L2130-L2174
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
init_alloc_info
static void init_alloc_info ( FATFS* fs, /* Filesystem object */ FFOBJID* obj /* Object allocation information to be initialized */ ) { obj->sclust = ld_dword(fs->dirbuf + XDIR_FstClus); /* Start cluster */ obj->objsize = ld_qword(fs->dirbuf + XDIR_FileSize); /* Size */ obj->stat = fs->dirbuf[XDIR_GenFlags] & 2;...
/*------------------------------------------------------------------*/ /* exFAT: Initialize object allocation info with loaded entry block */ /*------------------------------------------------------------------*/
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/source/ff.c#L2181-L2190
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
load_obj_xdir
static FRESULT load_obj_xdir ( DIR* dp, /* Blank directory object to be used to access containing directory */ const FFOBJID* obj /* Object with its containing directory information */ ) { FRESULT res; /* Open object containing directory */ dp->obj.fs = obj->fs; dp->obj.sclust = obj->c_scl; dp->obj.stat = (BY...
/*------------------------------------------------*/ /* exFAT: Load the object's directory entry block */ /*------------------------------------------------*/
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/source/ff.c#L2199-L2219
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
store_xdir
static FRESULT store_xdir ( DIR* dp /* Pointer to the directory object */ ) { FRESULT res; UINT nent; BYTE *dirb = dp->obj.fs->dirbuf; /* Pointer to the directory entry block 85+C0+C1s */ /* Create set sum */ st_word(dirb + XDIR_SetSum, xdir_sum(dirb)); nent = dirb[XDIR_NumSec] + 1; /* Store the directory ...
/*----------------------------------------*/ /* exFAT: Store the directory entry block */ /*----------------------------------------*/
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/source/ff.c#L2228-L2252
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
create_xdir
static void create_xdir ( BYTE* dirb, /* Pointer to the directory entry block buffer */ const WCHAR* lfn /* Pointer to the object name */ ) { UINT i; BYTE nc1, nlen; WCHAR wc; /* Create file-directory and stream-extension entry */ memset(dirb, 0, 2 * SZDIRE); dirb[0 * SZDIRE + XDIR_Type] = ET_FILEDIR; dirb...
/*-------------------------------------------*/ /* exFAT: Create a new directory entry block */ /*-------------------------------------------*/
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/source/ff.c#L2260-L2291
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
dir_find
static FRESULT dir_find ( /* FR_OK(0):succeeded, !=0:error */ DIR* dp /* Pointer to the directory object with the file name */ ) { FRESULT res; FATFS *fs = dp->obj.fs; BYTE c; #if FF_USE_LFN BYTE a, ord, sum; #endif res = dir_sdi(dp, 0); /* Rewind directory object */ if (res != FR_OK) return res; #if FF_F...
/* FF_FS_MINIMIZE <= 1 || FF_USE_LABEL || FF_FS_RPATH >= 2 */ /*-----------------------------------------------------------------------*/ /* Directory handling - Find an object in the directory */ /*-----------------------------------------------------------------------*/
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/source/ff.c#L2384-L2455
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
dir_register
static FRESULT dir_register ( /* FR_OK:succeeded, FR_DENIED:no free entry or too many SFN collision, FR_DISK_ERR:disk error */ DIR* dp /* Target directory with object name to be created */ ) { FRESULT res; FATFS *fs = dp->obj.fs; #if FF_USE_LFN /* LFN configuration */ UINT n, len, n_ent; BYTE sn[12], sum; ...
/*-----------------------------------------------------------------------*/ /* Register an object to the directory */ /*-----------------------------------------------------------------------*/
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/source/ff.c#L2465-L2560
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
dir_remove
static FRESULT dir_remove ( /* FR_OK:Succeeded, FR_DISK_ERR:A disk error */ DIR* dp /* Directory object pointing the entry to be removed */ ) { FRESULT res; FATFS *fs = dp->obj.fs; #if FF_USE_LFN /* LFN configuration */ DWORD last = dp->dptr; res = (dp->blk_ofs == 0xFFFFFFFF) ? FR_OK : dir_sdi(dp, dp->blk_of...
/*-----------------------------------------------------------------------*/ /* Remove an object from the directory */ /*-----------------------------------------------------------------------*/
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/source/ff.c#L2571-L2606
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
get_fileinfo
static void get_fileinfo ( DIR* dp, /* Pointer to the directory object */ FILINFO* fno /* Pointer to the file information to be filled */ ) { UINT si, di; #if FF_USE_LFN BYTE lcf; WCHAR wc, hs; FATFS *fs = dp->obj.fs; UINT nw; #else TCHAR c; #endif fno->fname[0] = 0; /* Invaidate file info */ if (dp->s...
/*-----------------------------------------------------------------------*/ /* Get file information from directory entry */ /*-----------------------------------------------------------------------*/
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/source/ff.c#L2617-L2748
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
create_name
static FRESULT create_name ( /* FR_OK: successful, FR_INVALID_NAME: could not create */ DIR* dp, /* Pointer to the directory object */ const TCHAR** path /* Pointer to pointer to the segment in the path string */ ) { #if FF_USE_LFN /* LFN configuration */ BYTE b, cf; WCHAR wc; WCHAR *lfn; const TCHAR* p; ...
/* FF_USE_FIND && FF_FS_MINIMIZE <= 1 */ /*-----------------------------------------------------------------------*/ /* Pick a top segment and create the object name in directory form */ /*-----------------------------------------------------------------------*/
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/source/ff.c#L2847-L3042
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
follow_path
static FRESULT follow_path ( /* FR_OK(0): successful, !=0: error code */ DIR* dp, /* Directory object to return last directory and found object */ const TCHAR* path /* Full-path string to find a file or directory */ ) { FRESULT res; BYTE ns; FATFS *fs = dp->obj.fs; #if FF_FS_RPATH != 0 if (!IsSeparator(*p...
/*-----------------------------------------------------------------------*/ /* Follow a file path */ /*-----------------------------------------------------------------------*/
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/source/ff.c#L3051-L3129
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
get_ldnumber
static int get_ldnumber ( /* Returns logical drive number (-1:invalid drive number or null pointer) */ const TCHAR** path /* Pointer to pointer to the path name */ ) { const TCHAR *tp; const TCHAR *tt; TCHAR tc; int i; int vol = -1; #if FF_STR_VOLUME_ID /* Find string volume ID */ const char *sp; char c; #end...
/*-----------------------------------------------------------------------*/ /* Get logical drive number from path name */ /*-----------------------------------------------------------------------*/
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/source/ff.c#L3138-L3208
83d3b29cbfc74e8f76f48f8782646c8e464055b2
teddycloud
github_2023
toniebox-reverse-engineering
c
crc32
static DWORD crc32 ( /* Returns next CRC value */ DWORD crc, /* Current CRC value */ BYTE d /* A byte to be processed */ ) { BYTE b; for (b = 1; b; b <<= 1) { crc ^= (d & b) ? 1 : 0; crc = (crc & 1) ? crc >> 1 ^ 0xEDB88320 : crc >> 1; } return crc; }
/* Calculate CRC32 in byte-by-byte */
https://github.com/toniebox-reverse-engineering/teddycloud/blob/83d3b29cbfc74e8f76f48f8782646c8e464055b2/fat/source/ff.c#L3221-L3234
83d3b29cbfc74e8f76f48f8782646c8e464055b2