From 93bf62580a68533dc8252b9a2a055c02f34ecb67 Mon Sep 17 00:00:00 2001
From: Christian Cunningham <cc@localhost>
Date: Thu, 24 Mar 2022 09:38:08 -0700
Subject: Modularized

---
 kernel/util/status.c | 133 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 133 insertions(+)
 create mode 100644 kernel/util/status.c

(limited to 'kernel/util/status.c')

diff --git a/kernel/util/status.c b/kernel/util/status.c
new file mode 100644
index 0000000..456e89d
--- /dev/null
+++ b/kernel/util/status.c
@@ -0,0 +1,133 @@
+#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();
+}
-- 
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