From 3341e7a3a184b5bea17f0f678b40bc51c92d72a4 Mon Sep 17 00:00:00 2001 From: Alex Auvolat Date: Mon, 9 Mar 2015 17:04:04 +0100 Subject: Partial implement VFS pager (enough for ISO9660!) Also add some debugging facilities (especially stack trace). --- src/kernel/dev/pciide.c | 40 ++++++++++++++++++++-------------------- 1 file changed, 20 insertions(+), 20 deletions(-) (limited to 'src/kernel/dev') diff --git a/src/kernel/dev/pciide.c b/src/kernel/dev/pciide.c index 7f321a7..600f08f 100644 --- a/src/kernel/dev/pciide.c +++ b/src/kernel/dev/pciide.c @@ -7,13 +7,13 @@ #include #include -static void ide_register_device(ide_controller_t *c, uint8_t device, fs_t *iofs); +void ide_register_device(ide_controller_t *c, uint8_t device, fs_t *iofs); // ================================ // // HELPER FUNCTIONS FOR PCI IDE I/O // // ================================ // -static void ide_write(ide_controller_t *c, uint8_t channel, uint8_t reg, uint8_t data) { +void ide_write(ide_controller_t *c, uint8_t channel, uint8_t reg, uint8_t data) { if (reg > 0x07 && reg < 0x0C) { ide_write(c, channel, ATA_REG_CONTROL, 0x80 | c->channels[channel].nIEN); } @@ -31,7 +31,7 @@ static void ide_write(ide_controller_t *c, uint8_t channel, uint8_t reg, uint8_t } } -static uint8_t ide_read(ide_controller_t *c, uint8_t channel, uint8_t reg) { +uint8_t ide_read(ide_controller_t *c, uint8_t channel, uint8_t reg) { uint8_t result = 0; if (reg > 0x07 && reg < 0x0C) { ide_write(c, channel, ATA_REG_CONTROL, 0x80 | c->channels[channel].nIEN); @@ -51,7 +51,7 @@ static uint8_t ide_read(ide_controller_t *c, uint8_t channel, uint8_t reg) { return result; } -static void ide_read_buffer(ide_controller_t *c, uint8_t channel, uint8_t reg, void* buffer, size_t quads) { +void ide_read_buffer(ide_controller_t *c, uint8_t channel, uint8_t reg, void* buffer, size_t quads) { if (reg > 0x07 && reg < 0x0C) { ide_write(c, channel, ATA_REG_CONTROL, 0x80 | c->channels[channel].nIEN); } @@ -69,7 +69,7 @@ static void ide_read_buffer(ide_controller_t *c, uint8_t channel, uint8_t reg, v } } -static int ide_polling(ide_controller_t *c, uint8_t channel, bool advanced_check) { +int ide_polling(ide_controller_t *c, uint8_t channel, bool advanced_check) { // (I) Delay 400 nanosecond for BSY to be set: for(int i = 0; i < 4; i++) ide_read(c, channel, ATA_REG_ALTSTATUS); // Reading the Alternate Status port wastes 100ns; loop four times. @@ -96,7 +96,7 @@ static int ide_polling(ide_controller_t *c, uint8_t channel, bool advanced_check return 0; // ok } -static uint8_t ide_print_error(ide_controller_t *c, int drive, uint8_t err) { +uint8_t ide_print_error(ide_controller_t *c, int drive, uint8_t err) { if (err == 0) return err; @@ -189,7 +189,7 @@ void pciirq_handler(int pci_id) { } } -static void ide_prewait_irq(ide_controller_t *c, int channel) { +void ide_prewait_irq(ide_controller_t *c, int channel) { int irq = c->channels[channel].irq; if (irq == 14) { mutex_lock(&on_irq14); @@ -203,7 +203,7 @@ static void ide_prewait_irq(ide_controller_t *c, int channel) { } } -static bool ide_wait_irq(ide_controller_t *c, int channel) { +bool ide_wait_irq(ide_controller_t *c, int channel) { bool ret = true; int st = enter_critical(CL_NOINT); @@ -229,7 +229,7 @@ static bool ide_wait_irq(ide_controller_t *c, int channel) { // ACTUAL READING AND WRITING OF SECTORS // // ===================================== // -static uint8_t ide_ata_access(ide_controller_t *c, int direction, +uint8_t ide_ata_access(ide_controller_t *c, int direction, uint8_t drive, uint32_t lba, uint8_t numsects, void* ptr) { uint32_t channel = c->devices[drive].channel; // Read the Channel. @@ -362,7 +362,7 @@ static uint8_t ide_ata_access(ide_controller_t *c, int direction, } -static uint8_t ide_atapi_read(ide_controller_t *c, uint8_t drive, uint32_t lba, +uint8_t ide_atapi_read(ide_controller_t *c, uint8_t drive, uint32_t lba, uint8_t numsects, void* ptr) { uint32_t channel = c->devices[drive].channel; @@ -442,7 +442,7 @@ must_terminate: return 5; } -static uint8_t ide_read_sectors(ide_controller_t *c, uint8_t drive, +uint8_t ide_read_sectors(ide_controller_t *c, uint8_t drive, uint32_t lba, uint8_t numsects, void* ptr) { // 1: Check if the drive presents: @@ -467,7 +467,7 @@ static uint8_t ide_read_sectors(ide_controller_t *c, uint8_t drive, } } -static uint8_t ide_write_sectors(ide_controller_t *c, uint8_t drive, +uint8_t ide_write_sectors(ide_controller_t *c, uint8_t drive, uint8_t numsects, uint32_t lba, void* ptr) { // 1: Check if the drive presents: @@ -493,7 +493,7 @@ static uint8_t ide_write_sectors(ide_controller_t *c, uint8_t drive, // SETUP ROUTINES // // ============== // -static void ide_init(int pci_id, ide_controller_t *c, fs_t *iofs) { +void ide_init(int pci_id, ide_controller_t *c, fs_t *iofs) { pci_devices[pci_id].data = c; c->pci_id = pci_id; @@ -656,15 +656,15 @@ typedef struct { uint8_t type; } ide_vfs_dev_t; -static bool ide_vfs_open(fs_node_ptr n, int mode); -static bool ide_vfs_stat(fs_node_ptr n, stat_t *st); +bool ide_vfs_open(fs_node_ptr n, int mode); +bool ide_vfs_stat(fs_node_ptr n, stat_t *st); -static size_t ide_vfs_read(fs_handle_t *f, size_t offset, size_t len, char* buf); -static size_t ide_vfs_write(fs_handle_t *f, size_t offset, size_t len, const char* buf); -static int ide_vfs_ioctl(fs_node_ptr f, int command, void* data); -static void ide_vfs_close(fs_handle_t *f); +size_t ide_vfs_read(fs_handle_t *f, size_t offset, size_t len, char* buf); +size_t ide_vfs_write(fs_handle_t *f, size_t offset, size_t len, const char* buf); +int ide_vfs_ioctl(fs_node_ptr f, int command, void* data); +void ide_vfs_close(fs_handle_t *f); -static fs_node_ops_t ide_vfs_node_ops = { +fs_node_ops_t ide_vfs_node_ops = { .open = ide_vfs_open, .stat = ide_vfs_stat, .walk = 0, -- cgit v1.2.3