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-rw-r--r--src/exceptions/svc.S2
-rw-r--r--src/sys/kernel.S6
-rw-r--r--src/tests/test.c84
3 files changed, 86 insertions, 6 deletions
diff --git a/src/exceptions/svc.S b/src/exceptions/svc.S
index d14344b..86f61c0 100644
--- a/src/exceptions/svc.S
+++ b/src/exceptions/svc.S
@@ -98,6 +98,8 @@ svc_000007: // Semaphore increase
teq r2, #0
bne 1b
dmb
+ cmp r1, #1
+ bne svc_exit
bl sched_semaphore_resurrect
ldmfd sp!, {r0-r12,lr}
b schedule
diff --git a/src/sys/kernel.S b/src/sys/kernel.S
index 4432ccd..9184c76 100644
--- a/src/sys/kernel.S
+++ b/src/sys/kernel.S
@@ -20,12 +20,6 @@ kernel_main:
wfe
b 2b
-testf:
- push {lr}
- mrs r0, cpsr
- bl uart_hexn
- pop {pc}
-
.section .data
ttbr_msg:
.asciz "MMU Initialized!"
diff --git a/src/tests/test.c b/src/tests/test.c
index ea34a23..0d72e0a 100644
--- a/src/tests/test.c
+++ b/src/tests/test.c
@@ -1,5 +1,6 @@
#include <cpu.h>
//#include <drivers/uart.h>
+#include <globals.h>
#include <graphics/lfb.h>
#include <lib/kmem.h>
#include <sys/core.h>
@@ -27,6 +28,7 @@ static int y = 13;
void test_entry(void)
{
x = 0;
+ draw_hex32(0, y-1, nextpid);
draw_string(0, y+4, "Starting tests");
unsigned long long ti, tf, dt=0,len;
unsigned int tidx = 0;
@@ -54,6 +56,7 @@ void test_entry(void)
len = draw_u10(tidx, y+5, dt/TEST_COUNT);
draw_u10(tidx+len+1, y+5, dt%TEST_COUNT);
tidx += TEST_RESULT_WIDTH;
+ draw_hex32(0, y-1, nextpid);
// Test 2: Yield Time
dt = 0;
@@ -75,6 +78,7 @@ void test_entry(void)
len = draw_u10(tidx, y+5, dt/TEST_COUNT);
draw_u10(tidx+len+1, y+5, dt%TEST_COUNT);
tidx += TEST_RESULT_WIDTH;
+ draw_hex32(0, y-1, nextpid);
// Test 3: Add Thread, Lower Priority
dt = 0;
@@ -96,6 +100,7 @@ void test_entry(void)
len = draw_u10(tidx, y+5, dt/TEST_COUNT);
draw_u10(tidx+len+1, y+5, dt%TEST_COUNT);
tidx += TEST_RESULT_WIDTH;
+ draw_hex32(0, y-1, nextpid);
// Test 4: Add Thread, Higher Priority
dt = 0;
@@ -117,6 +122,7 @@ void test_entry(void)
len = draw_u10(tidx, y+5, dt/TEST_COUNT);
draw_u10(tidx+len+1, y+5, dt%TEST_COUNT);
tidx += TEST_RESULT_WIDTH;
+ draw_hex32(0, y-1, nextpid);
// Test 5: Create Mutex
dt = 0;
@@ -139,6 +145,7 @@ void test_entry(void)
len = draw_u10(tidx, y+5, dt/TEST_COUNT);
draw_u10(tidx+len+1, y+5, dt%TEST_COUNT);
tidx += TEST_RESULT_WIDTH;
+ draw_hex32(0, y-1, nextpid);
// Test 6: Delete Mutex
dt = 0;
@@ -161,6 +168,7 @@ void test_entry(void)
len = draw_u10(tidx, y+5, dt/TEST_COUNT);
draw_u10(tidx+len+1, y+5, dt%TEST_COUNT);
tidx += TEST_RESULT_WIDTH;
+ draw_hex32(0, y-1, nextpid);
// Test 7: Lock Mutex
dt = 0;
@@ -184,6 +192,7 @@ void test_entry(void)
len = draw_u10(tidx, y+5, dt/TEST_COUNT);
draw_u10(tidx+len+1, y+5, dt%TEST_COUNT);
tidx += TEST_RESULT_WIDTH;
+ draw_hex32(0, y-1, nextpid);
// Test 7a: Lock Contended Mutex
dt = 0;
@@ -209,6 +218,7 @@ void test_entry(void)
len = draw_u10(tidx, y+5, dt/TEST_COUNT);
draw_u10(tidx+len+1, y+5, dt%TEST_COUNT);
tidx += TEST_RESULT_WIDTH;
+ draw_hex32(0, y-1, nextpid);
// Test 8: Unlock Mutex
dt = 0;
@@ -233,6 +243,79 @@ void test_entry(void)
len = draw_u10(tidx, y+5, dt/TEST_COUNT);
draw_u10(tidx+len+1, y+5, dt%TEST_COUNT);
tidx += TEST_RESULT_WIDTH;
+ draw_hex32(0, y-1, nextpid);
+
+ // Semaphore
+ static unsigned long sem = 0;
+
+ // Test 9: Semaphore Decrease
+ dt = 0;
+ for(int i = 0; i < TEST_COUNT; i++) {
+ sem = 1;
+ sys0_64(SYS_TIME, &ti);
+ sys1(SYS_SEMAPHORE_P, &sem);
+ sys0_64(SYS_TIME, &tf);
+ dt += tf - ti;
+ if ((tf-ti) < TEST_BIN_COUNT)
+ bins[(tf-ti)]++;
+ }
+ for (int i = 0; i < TEST_BIN_COUNT; i++) {
+ draw_hex32(tidx, y+6+i, i);
+ draw_string(tidx+9, y+6+i, TEST_STR_CLR);
+ draw_u10(tidx+9, y+6+i, bins[i]);
+ bins[i] = 0;
+ }
+ draw_string(tidx, y+5, " ");
+ len = draw_u10(tidx, y+5, dt/TEST_COUNT);
+ draw_u10(tidx+len+1, y+5, dt%TEST_COUNT);
+ tidx += TEST_RESULT_WIDTH;
+ draw_hex32(0, y-1, nextpid);
+
+ // Test 10: Semaphore Increase
+ dt = 0;
+ for(int i = 0; i < TEST_COUNT; i++) {
+ sem = 0;
+ sys0_64(SYS_TIME, &ti);
+ sys1(SYS_SEMAPHORE_V, &sem);
+ sys0_64(SYS_TIME, &tf);
+ dt += tf - ti;
+ if ((tf-ti) < TEST_BIN_COUNT)
+ bins[(tf-ti)]++;
+ }
+ for (int i = 0; i < TEST_BIN_COUNT; i++) {
+ draw_hex32(tidx, y+6+i, i);
+ draw_string(tidx+9, y+6+i, TEST_STR_CLR);
+ draw_u10(tidx+9, y+6+i, bins[i]);
+ bins[i] = 0;
+ }
+ draw_string(tidx, y+5, " ");
+ len = draw_u10(tidx, y+5, dt/TEST_COUNT);
+ draw_u10(tidx+len+1, y+5, dt%TEST_COUNT);
+ tidx += TEST_RESULT_WIDTH;
+ draw_hex32(0, y-1, nextpid);
+
+ // Test 10a: Semaphore Increase - No Schedule
+ dt = 0;
+ for(int i = 0; i < TEST_COUNT; i++) {
+ sem = 1;
+ sys0_64(SYS_TIME, &ti);
+ sys1(SYS_SEMAPHORE_V, &sem);
+ sys0_64(SYS_TIME, &tf);
+ dt += tf - ti;
+ if ((tf-ti) < TEST_BIN_COUNT)
+ bins[(tf-ti)]++;
+ }
+ for (int i = 0; i < TEST_BIN_COUNT; i++) {
+ draw_hex32(tidx, y+6+i, i);
+ draw_string(tidx+9, y+6+i, TEST_STR_CLR);
+ draw_u10(tidx+9, y+6+i, bins[i]);
+ bins[i] = 0;
+ }
+ draw_string(tidx, y+5, " ");
+ len = draw_u10(tidx, y+5, dt/TEST_COUNT);
+ draw_u10(tidx+len+1, y+5, dt%TEST_COUNT);
+ tidx += TEST_RESULT_WIDTH;
+ draw_hex32(0, y-1, nextpid);
// // Test 7: Tick Latency
//#define DELAY_TIME 512000
@@ -266,6 +349,7 @@ void test_entry(void)
// len = draw_u10(tidx, y+5, dt/TEST_COUNT);
// draw_u10(tidx+len+1, y+5, dt%TEST_COUNT);
// tidx += TEST_RESULT_WIDTH;
+// draw_hex32(0, y-1, nextpid);
add_thread(qualitative_tests, 0, 4);
}