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-rw-r--r--src/util/lock.c20
-rw-r--r--src/util/mutex.c110
-rw-r--r--src/util/status.c133
-rw-r--r--src/util/time.c76
4 files changed, 0 insertions, 339 deletions
diff --git a/src/util/lock.c b/src/util/lock.c
deleted file mode 100644
index c9fe654..0000000
--- a/src/util/lock.c
+++ /dev/null
@@ -1,20 +0,0 @@
-#include <cpu.h>
-#include <cpu/atomic/swap.h>
-#include <util/mutex.h>
-#include <util/lock.h>
-
-void lock(struct Lock* l)
-{
- unsigned long mode = getmode() & 0x1F;
- if (mode == 0x10) {
- sys1(SYS_LOCK, l);
- }
-}
-
-void unlock(struct Lock* l)
-{
- unsigned long mode = getmode() & 0x1F;
- if (mode == 0x10) {
- sys1(SYS_UNLOCK, l);
- }
-}
diff --git a/src/util/mutex.c b/src/util/mutex.c
deleted file mode 100644
index 8e85f8f..0000000
--- a/src/util/mutex.c
+++ /dev/null
@@ -1,110 +0,0 @@
-#include <cpu.h>
-#include <drivers/uart.h>
-#include <util/mutex.h>
-#include <util/lock.h>
-#include <globals.h>
-
-void mutex_init(void)
-{
- for (unsigned long m = 0; m < MAX_MUTEXS; m++) {
- mutexs[m].pid = 0;
- mutexs[m].addr = 0;
- mutex_entries[m].value = &mutexs[m];
- mutex_entries[m].entry_type = VALUE_ENTRY;
- mutex_entries[m].next = &mutex_entries[m+1];
- }
- // Initialize Free Mutexs
- mutex_manager.free.start.value = 0;
- mutex_manager.free.start.next = &mutex_entries[0];
- mutex_manager.free.start.entry_type = START_ENTRY;
- mutex_manager.free.end.value = 0;
- mutex_manager.free.end.next = &mutex_entries[MAX_MUTEXS-1];
- mutex_entries[MAX_MUTEXS-1].next = &mutex_manager.free.end;
- mutex_manager.free.end.entry_type = END_ENTRY;
- // Initialize In-use Mutexs
- mutex_manager.used.start.value = 0;
- mutex_manager.used.start.next = &mutex_manager.used.end;
- mutex_manager.used.start.entry_type = START_ENTRY;
- mutex_manager.used.end.value = 0;
- mutex_manager.used.end.next = &mutex_manager.used.start;
- mutex_manager.used.end.entry_type = END_ENTRY;
-}
-
-struct Mutex* create_mutex(void* addr)
-{
- struct Entry* e = pop_from_queue(&mutex_manager.free);
- if (e == 0)
- return 0;
- struct Mutex* m = e->value;
- m->pid = 0;
- m->addr = addr;
- push_to_queue(e, &mutex_manager.used);
- return e->value;
-}
-
-unsigned char delete_mutex(struct Mutex* m)
-{
- struct Entry* entry = find_value(m, &mutex_manager.used);
- if (entry == 0)
- return 1;
- // Remove it from the queue
- struct Entry* theentry = remove_next_from_queue(entry);
- // Add it to the free queue
- prepend_to_queue(theentry, &mutex_manager.free);
- return 0;
-}
-
-void uart_mutexes(void)
-{
- struct Entry* entry = mutex_manager.used.start.next;
- while (entry->entry_type == VALUE_ENTRY)
- {
- struct Mutex* m = entry->value;
- uart_hex((unsigned long)m);
- uart_char(' ');
- uart_hex(m->pid);
- uart_char(' ');
- uart_hexn((unsigned long)m->addr);
- entry = entry->next;
- }
- unsigned long count = 0;
- entry = mutex_manager.free.start.next;
- while (entry->entry_type == VALUE_ENTRY) {
- count++;
- entry = entry->next;
- }
- uart_hexn(count);
-}
-
-void lock_mutex(struct Mutex* m)
-{
- struct Thread* rthread = scheduler.rthread;
- unsigned long rpid = rthread->pid;
- unsigned long mode = getmode() & 0x1F;
- if (mode == 0x10) {
- // Find this mutex
- struct Entry* mentry = find_value(m, &mutex_manager.used);
- // If it is not a managed mutex, break away
- if (mentry == 0)
- return;
- struct Entry* entry = mutex_manager.used.start.next;
- // Ensure this thread locks all mutexs sequentially
- // To avoid a deadlock
- while (entry->entry_type == VALUE_ENTRY) {
- struct Mutex* vmutex = entry->value;
- // If this thread had locked it
- // Toggle the lock to prevent deadlock
- if (vmutex->pid == rpid) {
- sys1(SYS_UNLOCK, vmutex);
- sys1(SYS_LOCK, vmutex);
- }
- entry = entry->next;
- }
- sys1(SYS_LOCK, m);
- }
-}
-
-void unlock_mutex(struct Mutex* m)
-{
- unlock((struct Lock*)m);
-}
diff --git a/src/util/status.c b/src/util/status.c
deleted file mode 100644
index 456e89d..0000000
--- a/src/util/status.c
+++ /dev/null
@@ -1,133 +0,0 @@
-#include <cpu.h>
-#include <globals.h>
-#include <graphics/lfb.h>
-#include <symbols.h>
-#include <lib/strings.h>
-#include <lib/kmem.h>
-#include <sys/core.h>
-#include <sys/schedule.h>
-#include <util/mutex.h>
-#include <util/status.h>
-#include <util/time.h>
-
-void output_irq_status(void)
-{
- // Basic IRQ
- unsigned long ib_val = load32(IRQ_BASIC_ENABLE);
- // IRQ 1
- unsigned long i1_val = load32(IRQ_ENABLE1);
- // IRQ 2
- unsigned long i2_val = load32(IRQ_ENABLE2);
- // FIQ
- unsigned long f_val = load32(FIQ_CONTROL);
-
- // Check GPU Interrupt Routing
- unsigned long g_val = load32(GPU_INTERRUPTS_ROUTING);
- draw_cletter(0, 1, (g_val & 0b11) + 0x30, 0x1EA1A1);
- draw_cletter(1, 1, ((g_val >> 2) & 0b11) + 0x30, 0x1EA1A1);
-
- draw_chex32(4, 1, ib_val, 0x1EA1A1);
- draw_chex32(4+9, 1, i1_val, 0x1EA1A1);
- draw_chex32(4+9*2, 1, i2_val, 0x1EA1A1);
- draw_chex32(4+9*3, 1, f_val, 0x1EA1A1);
-
- // Check UART IRQ
- if (i2_val & (1<<25)) {
- draw_cstring(0, 2, "UART", 0x00FF00);
- } else if (f_val == 57) {
- draw_cstring(0, 2, "UART", 0xFFA500);
- } else {
- draw_cstring(0, 2, "UART", 0xFF0000);
- }
-
- // Check UART IRQ
- if (i1_val & (1<<0)) {
- draw_cstring(5, 2, "STIMERCMP", 0x00FF00);
- } else if (f_val == 1) {
- draw_cstring(5, 2, "STIMERCMP", 0xFFA500);
- } else {
- draw_cstring(5, 2, "STIMERCMP", 0xFF0000);
- }
-
- if (load32(CORE0_TIMER_IRQCNTL) & 0xF) {
- draw_cstring(4+9+2, 2, "LTIMER", 0x00FF00);
- } else if (load32(CORE0_TIMER_IRQCNTL) & 0xF0) {
- draw_cstring(4+9+2, 2, "LTIMER", 0xFFA500);
- } else {
- draw_cstring(4+9+2, 2, "LTIMER", 0xFF0000);
- }
-}
-
-void time_status(void)
-{
- // Report Sys Timer Stataus
- unsigned long systime;
- draw_string(0, 8, "Sys Timer Status");
- systime = *(volatile unsigned long*)SYS_TIMER_CS;
- draw_hex32(17, 8, systime);
- draw_string(17+8, 8, ":");
- unsigned long long tval = get_time();
- draw_hex32(17+8, 8, (tval >> 32));
- draw_hex32(17+8+8, 8, tval);
- systime = *(volatile unsigned long*)SYS_TIMER_C0;
- draw_hex32(19+14+8+1, 8, systime);
- draw_string(19+14+9+8, 8, "|");
- draw_string(19+14+18, 8, " ");
- draw_u10(19+14+18, 8, ((unsigned long)tval)/1000000);
-}
-
-void status(void)
-{
- // OS Info
- draw_cstring(7, 0, "v", 0x00FFFF);
- draw_cstring(0, 0, os_name, 0xFF0000);
- draw_cstring(8, 0, os_info_v, 0x00FFFF);
-
- // GPU IRQ Statuses
- output_irq_status();
-
- // Timer Status
- draw_cstring(0, 3, "TIMER", 0x00FF00);
- // Output the frequency
- draw_string(6, 3, "@");
- unsigned long frq = read_cntfrq()/1000;
- unsigned long fs_len = draw_u10(8, 3, frq) + 1;
- draw_string(8+fs_len, 3, "kHz");
- // Output the value
- unsigned long v = read_cntv_tval();
- unsigned long vs_len = draw_u10(8+fs_len+4, 3, v)+1;
- draw_string(8+fs_len+4 +vs_len, 3, " ");
- draw_letter(8+fs_len+4 +vs_len+1, 3, '|');
- draw_hex32(8+fs_len+7+vs_len, 3, v);
-
- // Video Status
- draw_cstring(0, 4, "VIDEO", 0x00FF00);
- unsigned long gw_len = draw_u10(6, 4, gwidth);
- unsigned long gh_len = draw_u10(6+gw_len+1, 4, gheight) + 1;
- draw_letter(6+gw_len, 4, 'x');
- if(gisrgb)
- draw_string(6+gw_len+gh_len + 1, 4, "RGB");
- else
- draw_string(6+gw_len+gh_len + 1, 4, "BGR");
-
- // Core Stacks
- draw_string(0, 5, "SVC IRQ FIQ User/SYS\n");
- unsigned long sp = (unsigned long)getsvcstack();
- draw_hex32(0, 6, sp);
- sp = (unsigned long)getirqstack();
- draw_hex32(9, 6, sp);
- sp = (unsigned long)getfiqstack();
- draw_hex32(9*2, 6, sp);
- sp = (unsigned long)getsysstack();
- draw_hex32(9*3, 6, sp);
-
- // Report Core that updated status
- unsigned long coren;
- asm volatile (
- "mrc p15, #0, %0, c0, c0, #5\n"
- "and %0, %0, #3" : "=r"(coren) :: "cc");
- draw_string(0, 7, "Status Updated by Core #");
- draw_hex32(24, 7, coren);
-
- time_status();
-}
diff --git a/src/util/time.c b/src/util/time.c
deleted file mode 100644
index abb9c8d..0000000
--- a/src/util/time.c
+++ /dev/null
@@ -1,76 +0,0 @@
-#include <symbols.h>
-#include <sys/core.h>
-
-// CCNT - Cycle Timer (Close to ns resolution)
-
-void routing_core0cntv_to_core0fiq(void)
-{
- store32(0x80, CORE0_TIMER_IRQCNTL);
-}
-
-void routing_core0cntv_to_core0irq(void)
-{
- store32(0x08, CORE0_TIMER_IRQCNTL);
-}
-
-unsigned long read_core0timer_pending(void)
-{
- unsigned long tmp;
- tmp = load32(CORE0_IRQ_SOURCE);
- return tmp;
-}
-
-unsigned long long read_cntvct(void)
-{
- unsigned long long val;
- asm volatile("mrrc p15, 1, %Q0, %R0, c14" : "=r" (val));
- return (val);
-}
-
-unsigned long long read_cntvoff(void)
-{
- unsigned long long val;
- asm volatile("mrrc p15, 4, %Q0, %R0, c14" : "=r" (val));
- return (val);
-}
-
-unsigned long read_cntv_tval(void)
-{
- unsigned long val;
- asm volatile ("mrc p15, 0, %0, c14, c3, 0" : "=r"(val) );
- return val;
-}
-
-void write_cntv_tval(unsigned long val)
-{
- asm volatile ("mcr p15, 0, %0, c14, c3, 0" :: "r"(val) );
- return;
-}
-
-unsigned long read_cntfrq(void)
-{
- unsigned long val;
- asm volatile ("mrc p15, 0, %0, c14, c0, 0" : "=r"(val) );
- return val;
-}
-
-unsigned long long get_time(void)
-{
- union {
- unsigned long long tval;
- struct {
- unsigned long high;
- unsigned long low;
- } tvalb;
- } t;
- t.tvalb.low = *(unsigned long*)SYS_TIMER_CLO;
- t.tvalb.high = *(unsigned long*)SYS_TIMER_CHI;
- return t.tval;
-}
-
-void wait_msec(unsigned int n)
-{
- unsigned long start = *(volatile unsigned long*)SYS_TIMER_CHI;
- while (*(volatile unsigned long*)SYS_TIMER_CHI - start < n)
- asm volatile("nop");
-}
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