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301 lines
12 KiB
C
301 lines
12 KiB
C
/*
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* Test serial output of some machines.
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*
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* Copyright 2016 Thomas Huth, Red Hat Inc.
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*
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* This work is licensed under the terms of the GNU GPL, version 2
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* or later. See the COPYING file in the top-level directory.
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*
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* This test is used to check that the serial output of the firmware
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* (that we provide for some machines) or some small mini-kernels that
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* we provide here contains an expected string. Thus we check that the
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* firmware/kernel still boots at least to a certain point and so we
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* know that the machine is not completely broken.
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*/
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#include "qemu/osdep.h"
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#include "libqtest.h"
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#include "libqos/libqos-spapr.h"
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static const uint8_t bios_avr[] = {
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0x88, 0xe0, /* ldi r24, 0x08 */
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0x80, 0x93, 0xc1, 0x00, /* sts 0x00C1, r24 ; Enable tx */
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0x86, 0xe0, /* ldi r24, 0x06 */
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0x80, 0x93, 0xc2, 0x00, /* sts 0x00C2, r24 ; Set the data bits to 8 */
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0x84, 0xe5, /* ldi r24, 0x54 */
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0x80, 0x93, 0xc6, 0x00, /* sts 0x00C6, r24 ; Output 'T' */
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};
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static const uint8_t kernel_mcf5208[] = {
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0x41, 0xf9, 0xfc, 0x06, 0x00, 0x00, /* lea 0xfc060000,%a0 */
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0x10, 0x3c, 0x00, 0x54, /* move.b #'T',%d0 */
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0x11, 0x7c, 0x00, 0x04, 0x00, 0x08, /* move.b #4,8(%a0) Enable TX */
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0x11, 0x40, 0x00, 0x0c, /* move.b %d0,12(%a0) Print 'T' */
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0x60, 0xfa /* bra.s loop */
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};
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static const uint8_t bios_nextcube[] = {
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0x06, 0x00, 0x00, 0x00, /* Initial SP */
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0x01, 0x00, 0x00, 0x08, /* Initial PC */
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0x41, 0xf9, 0x02, 0x11, 0x80, 0x00, /* lea 0x02118000,%a0 */
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0x10, 0x3c, 0x00, 0x54, /* move.b #'T',%d0 */
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0x11, 0x7c, 0x00, 0x05, 0x00, 0x01, /* move.b #5,1(%a0) Sel TXCTRL */
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0x11, 0x7c, 0x00, 0x68, 0x00, 0x01, /* move.b #0x68,1(%a0) Enable TX */
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0x11, 0x40, 0x00, 0x03, /* move.b %d0,3(%a0) Print 'T' */
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0x60, 0xfa /* bra.s loop */
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};
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static const uint8_t kernel_pls3adsp1800[] = {
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0xb0, 0x00, 0x84, 0x00, /* imm 0x8400 */
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0x30, 0x60, 0x00, 0x04, /* addik r3,r0,4 */
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0x30, 0x80, 0x00, 0x54, /* addik r4,r0,'T' */
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0xf0, 0x83, 0x00, 0x00, /* sbi r4,r3,0 */
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0xb8, 0x00, 0xff, 0xfc /* bri -4 loop */
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};
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static const uint8_t kernel_plml605[] = {
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0xe0, 0x83, 0x00, 0xb0, /* imm 0x83e0 */
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0x00, 0x10, 0x60, 0x30, /* addik r3,r0,0x1000 */
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0x54, 0x00, 0x80, 0x30, /* addik r4,r0,'T' */
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0x00, 0x00, 0x83, 0xf0, /* sbi r4,r3,0 */
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0xfc, 0xff, 0x00, 0xb8 /* bri -4 loop */
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};
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static const uint8_t bios_raspi2[] = {
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0x08, 0x30, 0x9f, 0xe5, /* ldr r3,[pc,#8] Get base */
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0x54, 0x20, 0xa0, 0xe3, /* mov r2,#'T' */
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0x00, 0x20, 0xc3, 0xe5, /* strb r2,[r3] */
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0xfb, 0xff, 0xff, 0xea, /* b loop */
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0x00, 0x10, 0x20, 0x3f, /* 0x3f201000 = UART0 base addr */
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};
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static const uint8_t kernel_aarch64[] = {
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0x81, 0x0a, 0x80, 0x52, /* mov w1, #0x54 */
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0x02, 0x20, 0xa1, 0xd2, /* mov x2, #0x9000000 */
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0x41, 0x00, 0x00, 0x39, /* strb w1, [x2] */
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0xfd, 0xff, 0xff, 0x17, /* b -12 (loop) */
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};
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static const uint8_t kernel_nrf51[] = {
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0x00, 0x00, 0x00, 0x00, /* Stack top address */
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0x09, 0x00, 0x00, 0x00, /* Reset handler address */
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0x04, 0x4a, /* ldr r2, [pc, #16] Get ENABLE */
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0x04, 0x21, /* movs r1, #4 */
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0x11, 0x60, /* str r1, [r2] */
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0x04, 0x4a, /* ldr r2, [pc, #16] Get STARTTX */
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0x01, 0x21, /* movs r1, #1 */
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0x11, 0x60, /* str r1, [r2] */
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0x03, 0x4a, /* ldr r2, [pc, #12] Get TXD */
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0x54, 0x21, /* movs r1, 'T' */
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0x11, 0x60, /* str r1, [r2] */
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0xfe, 0xe7, /* b . */
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0x00, 0x25, 0x00, 0x40, /* 0x40002500 = UART ENABLE */
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0x08, 0x20, 0x00, 0x40, /* 0x40002008 = UART STARTTX */
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0x1c, 0x25, 0x00, 0x40 /* 0x4000251c = UART TXD */
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};
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static const uint8_t kernel_stm32vldiscovery[] = {
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0x00, 0x00, 0x00, 0x00, /* Stack top address */
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0x1d, 0x00, 0x00, 0x00, /* Reset handler address */
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0x00, 0x00, 0x00, 0x00, /* NMI */
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0x00, 0x00, 0x00, 0x00, /* Hard fault */
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0x00, 0x00, 0x00, 0x00, /* Memory management fault */
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0x00, 0x00, 0x00, 0x00, /* Bus fault */
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0x00, 0x00, 0x00, 0x00, /* Usage fault */
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0x0b, 0x4b, /* ldr r3, [pc, #44] Get RCC */
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0x44, 0xf2, 0x04, 0x02, /* movw r2, #16388 */
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0x1a, 0x60, /* str r2, [r3] */
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0x0a, 0x4b, /* ldr r3, [pc, #40] Get GPIOA */
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0x1a, 0x68, /* ldr r2, [r3] */
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0x22, 0xf0, 0xf0, 0x02, /* bic r2, r2, #240 */
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0x1a, 0x60, /* str r2, [r3] */
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0x1a, 0x68, /* ldr r2, [r3] */
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0x42, 0xf0, 0xb0, 0x02, /* orr r2, r2, #176 */
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0x1a, 0x60, /* str r2, [r3] */
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0x07, 0x4b, /* ldr r3, [pc, #26] Get BAUD */
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0x45, 0x22, /* movs r2, #69 */
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0x1a, 0x60, /* str r2, [r3] */
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0x06, 0x4b, /* ldr r3, [pc, #24] Get ENABLE */
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0x42, 0xf2, 0x08, 0x02, /* movw r2, #8200 */
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0x1a, 0x60, /* str r2, [r3] */
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0x05, 0x4b, /* ldr r3, [pc, #20] Get TXD */
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0x54, 0x22, /* movs r2, 'T' */
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0x1a, 0x60, /* str r2, [r3] */
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0xfe, 0xe7, /* b . */
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0x18, 0x10, 0x02, 0x40, /* 0x40021018 = RCC */
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0x04, 0x08, 0x01, 0x40, /* 0x40010804 = GPIOA */
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0x08, 0x38, 0x01, 0x40, /* 0x40013808 = USART1 BAUD */
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0x0c, 0x38, 0x01, 0x40, /* 0x4001380c = USART1 ENABLE */
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0x04, 0x38, 0x01, 0x40 /* 0x40013804 = USART1 TXD */
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};
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typedef struct testdef {
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const char *arch; /* Target architecture */
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const char *machine; /* Name of the machine */
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const char *extra; /* Additional parameters */
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const char *expect; /* Expected string in the serial output */
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size_t codesize; /* Size of the kernel or bios data */
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const uint8_t *kernel; /* Set in case we use our own mini kernel */
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const uint8_t *bios; /* Set in case we use our own mini bios */
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} testdef_t;
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static testdef_t tests[] = {
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{ "alpha", "clipper", "", "PCI:" },
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{ "avr", "arduino-duemilanove", "", "T", sizeof(bios_avr), NULL, bios_avr },
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{ "avr", "arduino-mega-2560-v3", "", "T", sizeof(bios_avr), NULL, bios_avr},
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{ "ppc", "ppce500", "", "U-Boot" },
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{ "ppc", "40p", "-vga none -boot d", "Trying cd:," },
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{ "ppc", "g3beige", "", "PowerPC,750" },
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{ "ppc", "mac99", "", "PowerPC,G4" },
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{ "ppc", "sam460ex", "-m 256", "DRAM: 256 MiB" },
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{ "ppc64", "ppce500", "", "U-Boot" },
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{ "ppc64", "40p", "-m 192", "Memory: 192M" },
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{ "ppc64", "mac99", "", "PowerPC,970FX" },
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{ "ppc64", "pseries",
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"-machine " PSERIES_DEFAULT_CAPABILITIES,
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"Open Firmware" },
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{ "ppc64", "powernv8", "", "OPAL" },
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{ "ppc64", "powernv9", "", "OPAL" },
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{ "ppc64", "sam460ex", "-device e1000", "8086 100e" },
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{ "i386", "isapc", "-cpu qemu32 -M graphics=off", "SeaBIOS" },
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{ "i386", "pc", "-M graphics=off", "SeaBIOS" },
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{ "i386", "q35", "-M graphics=off", "SeaBIOS" },
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{ "x86_64", "isapc", "-cpu qemu32 -M graphics=off", "SeaBIOS" },
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{ "x86_64", "q35", "-M graphics=off", "SeaBIOS" },
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{ "sparc", "LX", "", "TMS390S10" },
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{ "sparc", "SS-4", "", "MB86904" },
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{ "sparc", "SS-600MP", "", "TMS390Z55" },
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{ "sparc64", "sun4u", "", "UltraSPARC" },
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{ "s390x", "s390-ccw-virtio", "", "device" },
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{ "m68k", "mcf5208evb", "", "TT", sizeof(kernel_mcf5208), kernel_mcf5208 },
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{ "m68k", "next-cube", "", "TT", sizeof(bios_nextcube), 0, bios_nextcube },
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{ "microblaze", "petalogix-s3adsp1800", "", "TT",
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sizeof(kernel_pls3adsp1800), kernel_pls3adsp1800 },
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{ "microblazeel", "petalogix-ml605", "", "TT",
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sizeof(kernel_plml605), kernel_plml605 },
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{ "arm", "raspi2b", "", "TT", sizeof(bios_raspi2), 0, bios_raspi2 },
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/* For hppa, force bios to output to serial by disabling graphics. */
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{ "hppa", "hppa", "-vga none", "SeaBIOS wants SYSTEM HALT" },
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{ "aarch64", "virt", "-cpu max", "TT", sizeof(kernel_aarch64),
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kernel_aarch64 },
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{ "arm", "microbit", "", "T", sizeof(kernel_nrf51), kernel_nrf51 },
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{ "arm", "stm32vldiscovery", "", "T",
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sizeof(kernel_stm32vldiscovery), kernel_stm32vldiscovery },
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{ NULL }
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};
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static bool check_guest_output(QTestState *qts, const testdef_t *test, int fd)
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{
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int nbr = 0, pos = 0, ccnt;
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time_t now, start = time(NULL);
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char ch;
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/* Poll serial output... */
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while (1) {
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ccnt = 0;
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while (ccnt++ < 512 && (nbr = read(fd, &ch, 1)) == 1) {
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if (ch == test->expect[pos]) {
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pos += 1;
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if (test->expect[pos] == '\0') {
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/* We've reached the end of the expected string! */
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return true;
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}
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} else {
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pos = 0;
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}
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}
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g_assert(nbr >= 0);
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/* Wait only if the child is still alive. */
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if (!qtest_probe_child(qts)) {
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break;
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}
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/* Wait at most 360 seconds. */
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now = time(NULL);
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if (now - start >= 360) {
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break;
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}
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g_usleep(10000);
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}
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return false;
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}
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static void test_machine(const void *data)
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{
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const testdef_t *test = data;
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g_autofree char *serialtmp = NULL;
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g_autofree char *codetmp = NULL;
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const char *codeparam = "";
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const uint8_t *code = NULL;
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QTestState *qts;
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int ser_fd;
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ser_fd = g_file_open_tmp("qtest-boot-serial-sXXXXXX", &serialtmp, NULL);
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g_assert(ser_fd != -1);
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close(ser_fd);
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if (test->kernel) {
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code = test->kernel;
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codeparam = "-kernel";
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} else if (test->bios) {
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code = test->bios;
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codeparam = "-bios";
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}
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if (code) {
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ssize_t wlen;
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int code_fd;
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code_fd = g_file_open_tmp("qtest-boot-serial-cXXXXXX", &codetmp, NULL);
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g_assert(code_fd != -1);
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wlen = write(code_fd, code, test->codesize);
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g_assert(wlen == test->codesize);
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close(code_fd);
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}
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/*
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* Make sure that this test uses tcg if available: It is used as a
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* fast-enough smoketest for that.
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*/
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qts = qtest_initf("%s %s -M %s -no-shutdown "
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"-chardev file,id=serial0,path=%s "
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"-serial chardev:serial0 -accel tcg -accel kvm %s",
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codeparam, code ? codetmp : "", test->machine,
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serialtmp, test->extra);
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if (code) {
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unlink(codetmp);
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}
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ser_fd = open(serialtmp, O_RDONLY);
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g_assert(ser_fd != -1);
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if (!check_guest_output(qts, test, ser_fd)) {
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g_error("Failed to find expected string. Please check '%s'",
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serialtmp);
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}
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unlink(serialtmp);
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qtest_quit(qts);
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close(ser_fd);
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}
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int main(int argc, char *argv[])
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{
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const char *arch = qtest_get_arch();
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int i;
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g_test_init(&argc, &argv, NULL);
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for (i = 0; tests[i].arch != NULL; i++) {
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if (g_str_equal(arch, tests[i].arch) &&
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qtest_has_machine(tests[i].machine)) {
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char *name = g_strdup_printf("boot-serial/%s", tests[i].machine);
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qtest_add_data_func(name, &tests[i], test_machine);
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g_free(name);
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}
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}
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return g_test_run();
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}
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