gte-precision.c File Reference

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Functions
	CESTER_TEST (prec_mac1_positive_overflow, gte_tests, cop2_putc(0, 0x00007fff);cop2_putc(1, 0x00000000);cop2_putc(2, 0x00000000);cop2_putc(3, 0x00000000);cop2_putc(4, 0);cop2_putc(5, 0x7fffffff);cop2_putc(6, 0);cop2_putc(7, 0);cop2_put(0,(0<< 16)|0x7fff);cop2_put(1, 0);gte_clear_flag();cop2_cmd(COP2_MVMVA(0, COP2_MX_RT, COP2_V_V0, COP2_CV_TR, 0));uint32_t flag=gte_read_flag();uint32_t f30=(flag > > 30) &1;ramsyscall_printf("MAC1 pos overflow: FLAG=0x%08x F30=%u\n", flag, f30);cester_assert_uint_eq(1, f30);) CESTER_TEST(prec_mac1_negative_overflow
	cop2_putc (0, 0x00007fff)
	cop2_putc (1, 0x00000000)
	cop2_putc (2, 0x00000000)
	cop2_putc (3, 0x00000000)
	cop2_putc (4, 0)
	cop2_putc (5, 0x80000000)
	cop2_putc (6, 0)
	cop2_putc (7, 0)
	cop2_put (0,(0<< 16)|0x8000)
	cop2_put (1, 0)
	gte_clear_flag ()
	cop2_cmd (COP2_MVMVA(0, COP2_MX_RT, COP2_V_V0, COP2_CV_TR, 0))
	ramsyscall_printf ("MAC1 neg overflow: FLAG=0x%08x F27=%u\n", flag, f27)
	cester_assert_uint_eq (1, f27)
	CESTER_TEST (prec_mac2_overflow, gte_tests, cop2_putc(0, 0x00000000);cop2_putc(1, 0x7fff0000);cop2_putc(2, 0x00000000);cop2_putc(3, 0x00000000);cop2_putc(4, 0);cop2_putc(5, 0);cop2_putc(6, 0x7fffffff);cop2_putc(7, 0);cop2_put(0,(0<< 16)|0x7fff);cop2_put(1, 0);gte_clear_flag();cop2_cmd(COP2_MVMVA(0, COP2_MX_RT, COP2_V_V0, COP2_CV_TR, 0));uint32_t flag=gte_read_flag();uint32_t f29=(flag > > 29) &1;ramsyscall_printf("MAC2 pos overflow: FLAG=0x%08x F29=%u\n", flag, f29);cester_assert_uint_eq(1, f29);) CESTER_TEST(prec_mac3_overflow
	cop2_putc (0, 0x00000000)
	cop2_putc (3, 0x00007fff)
	cop2_putc (5, 0)
	cop2_putc (7, 0x7fffffff)
	cester_assert_uint_eq (1, f28)
	CESTER_TEST (prec_mac_double_overflow, gte_tests, cop2_putc(0, 0x00000000);cop2_putc(2, 0x00007fff);cop2_putc(4, 0x7fff);cop2_put(9, 0);cop2_put(10, 0x7fff);cop2_put(11, 0x7fff);gte_clear_flag();cop2_cmd(COP2_OP_CP(0, 0));int32_t mac1;uint32_t flag;cop2_get(25, mac1);flag=gte_read_flag();ramsyscall_printf("double overflow: MAC1=%d FLAG=0x%08x\n", mac1, flag);cester_assert_int_eq(0, mac1);cester_assert_uint_eq(0, flag);) CESTER_TEST(prec_div_1_over_1
	gte_set_identity_rotation ()
	gte_set_translation (0, 0, 0)
	cop2_putc (24, 0)
	cop2_putc (25, 0)
	cop2_putc (26, 1)
	cop2_putc (27, 0)
	cop2_putc (28, 0)
	cop2_put (1, 1)
	cop2_cmd (COP2_RTPS(1, 0))
	cop2_get (14, sxy2)
	cester_assert_uint_eq (0, f17)
	CESTER_TEST (prec_div_100_over_1000, gte_tests, gte_set_identity_rotation();gte_set_translation(0, 0, 0);cop2_putc(24, 0);cop2_putc(25, 0);cop2_putc(26, 100);cop2_putc(27, 0);cop2_putc(28, 0);cop2_put(0,(0<< 16)|1000);cop2_put(1, 1000);gte_clear_flag();cop2_cmd(COP2_RTPS(1, 0));uint32_t sxy2;cop2_get(14, sxy2);int16_t sx=(int16_t)(sxy2 &0xffff);ramsyscall_printf("div 100/1000: SX=%d\n", sx);cester_assert_int_eq(100, sx);) CESTER_TEST(prec_div_corner_f015_780b
	cop2_putc (26, 0xf015)
	cop2_put (1, 0x780b)
	CESTER_TEST (prec_div_large_h, gte_tests, gte_set_identity_rotation();gte_set_translation(0, 0, 0);cop2_putc(24, 0);cop2_putc(25, 0);cop2_putc(26, 0xfffe);cop2_putc(27, 0);cop2_putc(28, 0);cop2_put(0,(0<< 16)|1);cop2_put(1, 0x7fff);gte_clear_flag();cop2_cmd(COP2_RTPS(1, 0));uint32_t flag;flag=gte_read_flag();uint32_t f17=(flag > > 17) &1;ramsyscall_printf("div large H: FLAG=0x%08x F17=%u\n", flag, f17);cester_assert_uint_eq(1, f17);) CESTER_TEST(prec_div_sz3_one
	cop2_get (9, ir1)
	cester_assert_int_eq (1, sx)
	CESTER_TEST (prec_rtps_sf0_ir3_flag_anomaly, gte_tests, gte_set_identity_rotation();cop2_putc(5, 0);cop2_putc(6, 0);cop2_putc(7, 0);cop2_putc(24, 0);cop2_putc(25, 0);cop2_putc(26, 200);cop2_putc(27, 0);cop2_putc(28, 0);cop2_put(0, 0x00000000);cop2_put(1, 8);gte_clear_flag();cop2_cmd(COP2_RTPS(0, 0));int32_t mac3;uint32_t ir3, flag;cop2_get(27, mac3);cop2_get(11, ir3);flag=gte_read_flag();uint32_t f22=(flag > > 22) &1;ramsyscall_printf("sf=0 anomaly: MAC3=%d IR3=0x%04x FLAG=0x%08x F22=%u\n", mac3, ir3 &0xffff, flag, f22);cester_assert_int_eq(32768, mac3);cester_assert_uint_eq(0x7fff, ir3);cester_assert_uint_eq(0, f22);uint32_t f17=(flag > > 17) &1;cester_assert_uint_eq(1, f17);) CESTER_TEST(prec_rtps_sf0_ir3_flag_strong
	cop2_putc (26, 200)
	cop2_put (0, 0x00000000)
	cop2_put (1, 16)
	cop2_cmd (COP2_RTPS(0, 0))
	cop2_get (27, mac3)
	cop2_get (11, ir3)
	cester_assert_uint_eq (0x7fff, ir3)
	cester_assert_uint_eq (0, f22)

Variables
	gte_tests
uint32_t	flag = gte_read_flag()
uint32_t	f27 = (flag >> 27) & 1
uint32_t	f28 = (flag >> 28) & 1
uint32_t	sxy2
int16_t	sx = (int16_t)(sxy2 & 0xffff)
uint32_t	f17 = (flag >> 17) & 1
int32_t	ir1
int32_t	mac3
uint32_t	ir3
uint32_t	f22 = (flag >> 22) & 1

Function Documentation

cester_assert_int_eq()

cester_assert_int_eq	(	1	,
		sx
	)

cester_assert_uint_eq() [1/5]

cester_assert_uint_eq	(	0	,
		f17
	)

cester_assert_uint_eq() [2/5]

cester_assert_uint_eq	(	0	,
		f22
	)

cester_assert_uint_eq() [3/5]

cester_assert_uint_eq	(	0x7fff	,
		ir3
	)

cester_assert_uint_eq() [4/5]

cester_assert_uint_eq	(	1	,
		f27
	)

cester_assert_uint_eq() [5/5]

cester_assert_uint_eq	(	1	,
		f28
	)

CESTER_TEST() [1/6]

CESTER_TEST	(	prec_div_100_over_1000	,
		gte_tests	,
		gte_set_identity_rotation();gte_set_translation(0, 0, 0);cop2_putc(24, 0);cop2_putc(25, 0);cop2_putc(26, 100);cop2_putc(27, 0);cop2_putc(28, 0);cop2_put(0,(0<< 16)|1000);cop2_put(1, 1000);gte_clear_flag();cop2_cmd(COP2_RTPS(1, 0));uint32_t sxy2;cop2_get(14, sxy2);int16_t	sx = (int16_t)(sxy2 & 0xffff); ramsyscall_printf("div 100/1000: SX=%d\n", sx);  cester_assert_int_eq(100, sx);
	)

CESTER_TEST() [2/6]

CESTER_TEST	(	prec_div_large_h	,
		gte_tests	,
		gte_set_identity_rotation();gte_set_translation(0, 0, 0);cop2_putc(24, 0);cop2_putc(25, 0);cop2_putc(26, 0xfffe);cop2_putc(27, 0);cop2_putc(28, 0);cop2_put(0,(0<< 16)|1);cop2_put(1, 0x7fff);gte_clear_flag();cop2_cmd(COP2_RTPS(1, 0));uint32_t flag;	flag = gte_read_flag(); uint32_t f17 = (flag >> 17) & 1; ramsyscall_printf("div large H: FLAG=0x%08x F17=%u\n", flag, f17); cester_assert_uint_eq(1, f17);
	)

CESTER_TEST() [3/6]

CESTER_TEST	(	prec_mac1_positive_overflow	,
		gte_tests	,
		cop2_putc(0, 0x00007fff);cop2_putc(1, 0x00000000);cop2_putc(2, 0x00000000);cop2_putc(3, 0x00000000);cop2_putc(4, 0);cop2_putc(5, 0x7fffffff);cop2_putc(6, 0);cop2_putc(7, 0);cop2_put(0,(0<< 16)|0x7fff);cop2_put(1, 0);gte_clear_flag();cop2_cmd(COP2_MVMVA(0, COP2_MX_RT, COP2_V_V0, COP2_CV_TR, 0));uint32_t	flag = gte_read_flag(); uint32_t f30 = (flag >> 30) & 1; ramsyscall_printf("MAC1 pos overflow: FLAG=0x%08x F30=%u\n", flag, f30); cester_assert_uint_eq(1, f30);
	)

CESTER_TEST() [4/6]

CESTER_TEST	(	prec_mac2_overflow	,
		gte_tests	,
		cop2_putc(0, 0x00000000);cop2_putc(1, 0x7fff0000);cop2_putc(2, 0x00000000);cop2_putc(3, 0x00000000);cop2_putc(4, 0);cop2_putc(5, 0);cop2_putc(6, 0x7fffffff);cop2_putc(7, 0);cop2_put(0,(0<< 16)|0x7fff);cop2_put(1, 0);gte_clear_flag();cop2_cmd(COP2_MVMVA(0, COP2_MX_RT, COP2_V_V0, COP2_CV_TR, 0));uint32_t	flag = gte_read_flag(); uint32_t f29 = (flag >> 29) & 1; ramsyscall_printf("MAC2 pos overflow: FLAG=0x%08x F29=%u\n", flag, f29); cester_assert_uint_eq(1, f29);
	)

CESTER_TEST() [5/6]

CESTER_TEST	(	prec_mac_double_overflow	,
		gte_tests	,
		cop2_putc(0, 0x00000000);cop2_putc(2, 0x00007fff);cop2_putc(4, 0x7fff);cop2_put(9, 0);cop2_put(10, 0x7fff);cop2_put(11, 0x7fff);gte_clear_flag();cop2_cmd(COP2_OP_CP(0, 0));int32_t mac1;uint32_t flag;cop2_get(25, mac1);	flag = gte_read_flag(); ramsyscall_printf("double overflow: MAC1=%d FLAG=0x%08x\n", mac1, flag);    cester_assert_int_eq(0, mac1); cester_assert_uint_eq(0, flag);
	)

CESTER_TEST() [6/6]

CESTER_TEST	(	prec_rtps_sf0_ir3_flag_anomaly	,
		gte_tests	,
		gte_set_identity_rotation();cop2_putc(5, 0);cop2_putc(6, 0);cop2_putc(7, 0);cop2_putc(24, 0);cop2_putc(25, 0);cop2_putc(26, 200);cop2_putc(27, 0);cop2_putc(28, 0);cop2_put(0, 0x00000000);cop2_put(1, 8);gte_clear_flag();cop2_cmd(COP2_RTPS(0, 0));int32_t mac3;uint32_t	ir3,
		flag;cop2_get(27, mac3);cop2_get(11, ir3);	flag = gte_read_flag(); uint32_t f22 = (flag >> 22) & 1; ramsyscall_printf("sf=0 anomaly: MAC3=%d IR3=0x%04x FLAG=0x%08x F22=%u\n",                      mac3, ir3 & 0xffff, flag, f22);     cester_assert_int_eq(32768, mac3); cester_assert_uint_eq(0x7fff, ir3); cester_assert_uint_eq(0, f22); uint32_t f17 = (flag >> 17) & 1; cester_assert_uint_eq(1, f17);
	)

cop2_cmd() [1/3]

cop2_cmd

(

COP2_MVMVA(0, COP2_MX_RT, COP2_V_V0, COP2_CV_TR, 0)

)

cop2_cmd() [2/3]

cop2_cmd

(

COP2_RTPS(0, 0)

)

cop2_cmd() [3/3]

cop2_cmd

(

COP2_RTPS(1, 0)

)

cop2_get() [1/4]

cop2_get	(	11	,
		ir3
	)

cop2_get() [2/4]

cop2_get	(	14	,
		sxy2
	)

cop2_get() [3/4]

cop2_get	(	27	,
		mac3
	)

cop2_get() [4/4]

cop2_get	(	9	,
		ir1
	)

cop2_put() [1/6]

cop2_put	(	0	,
		0x00000000
	)

cop2_put() [2/6]

cop2_put	(	0	,
		(0<< 16)|	0x8000
	)

cop2_put() [3/6]

cop2_put	(	1	,
		0
	)

cop2_put() [4/6]

cop2_put	(	1	,
		0x780b
	)

cop2_put() [5/6]

cop2_put	(	1	,
		1
	)

cop2_put() [6/6]

cop2_put	(	1	,
		16
	)

cop2_putc() [1/19]

cop2_putc	(	0	,
		0x00000000
	)

cop2_putc() [2/19]

cop2_putc	(	0	,
		0x00007fff
	)

cop2_putc() [3/19]

cop2_putc	(	1	,
		0x00000000
	)

cop2_putc() [4/19]

cop2_putc	(	2	,
		0x00000000
	)

cop2_putc() [5/19]

cop2_putc	(	24	,
		0
	)

cop2_putc() [6/19]

cop2_putc	(	25	,
		0
	)

cop2_putc() [7/19]

cop2_putc	(	26	,
		0xf015
	)

cop2_putc() [8/19]

cop2_putc	(	26	,
		1
	)

cop2_putc() [9/19]

cop2_putc	(	26	,
		200
	)

cop2_putc() [10/19]

cop2_putc	(	27	,
		0
	)

cop2_putc() [11/19]

cop2_putc	(	28	,
		0
	)

cop2_putc() [12/19]

cop2_putc	(	3	,
		0x00000000
	)

cop2_putc() [13/19]

cop2_putc	(	3	,
		0x00007fff
	)

cop2_putc() [14/19]

cop2_putc	(	4	,
		0
	)

cop2_putc() [15/19]

cop2_putc	(	5	,
		0
	)

cop2_putc() [16/19]

cop2_putc	(	5	,
		0x80000000
	)

cop2_putc() [17/19]

cop2_putc	(	6	,
		0
	)

cop2_putc() [18/19]

cop2_putc	(	7	,
		0
	)

cop2_putc() [19/19]

cop2_putc	(	7	,
		0x7fffffff
	)

gte_clear_flag()

gte_clear_flag

(

)

gte_set_identity_rotation()

gte_set_identity_rotation

(

)

gte_set_translation()

gte_set_translation	(	0	,
		0	,
		0
	)

ramsyscall_printf()

ramsyscall_printf

(

)

Variable Documentation

f17

uint32_t f17 = (flag >> 17) & 1

f22

uint32_t f22 = (flag >> 22) & 1

f27

uint32_t f27 = (flag >> 27) & 1

f28

uint32_t f28 = (flag >> 28) & 1

flag

flag = gte_read_flag()

gte_tests

gte_tests

ir1

int32_t ir1

ir3

uint32_t ir3

mac3

int32_t mac3

sx

int16_t sx = (int16_t)(sxy2 & 0xffff)

sxy2

uint32_t sxy2