diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/mips/mips_malta.c | 172 |
1 files changed, 87 insertions, 85 deletions
diff --git a/hw/mips/mips_malta.c b/hw/mips/mips_malta.c index 92e9ca5..783cd99 100644 --- a/hw/mips/mips_malta.c +++ b/hw/mips/mips_malta.c @@ -137,7 +137,8 @@ static void malta_fpga_update_display(void *opaque) */ #if defined(DEBUG) -# define logout(fmt, ...) fprintf(stderr, "MALTA\t%-24s" fmt, __func__, ## __VA_ARGS__) +# define logout(fmt, ...) \ + fprintf(stderr, "MALTA\t%-24s" fmt, __func__, ## __VA_ARGS__) #else # define logout(fmt, ...) ((void)0) #endif @@ -359,7 +360,6 @@ static uint64_t malta_fpga_read(void *opaque, hwaddr addr, /* SWITCH Register */ case 0x00200: - /* ori a3, a3, low(ram_low_size) */ val = 0x00000000; break; @@ -569,7 +569,7 @@ static MaltaFPGAState *malta_fpga_init(MemoryRegion *address_space, MaltaFPGAState *s; Chardev *chr; - s = (MaltaFPGAState *)g_malloc0(sizeof(MaltaFPGAState)); + s = g_new0(MaltaFPGAState, 1); memory_region_init_io(&s->iomem, NULL, &malta_fpga_ops, s, "malta-fpga", 0x100000); @@ -844,24 +844,24 @@ static void write_bootloader(uint8_t *base, int64_t run_addr, /* Small bootloader */ p = (uint32_t *)base; - stl_p(p++, 0x08000000 | /* j 0x1fc00580 */ + stl_p(p++, 0x08000000 | /* j 0x1fc00580 */ ((run_addr + 0x580) & 0x0fffffff) >> 2); - stl_p(p++, 0x00000000); /* nop */ + stl_p(p++, 0x00000000); /* nop */ /* YAMON service vector */ - stl_p(base + 0x500, run_addr + 0x0580); /* start: */ - stl_p(base + 0x504, run_addr + 0x083c); /* print_count: */ - stl_p(base + 0x520, run_addr + 0x0580); /* start: */ - stl_p(base + 0x52c, run_addr + 0x0800); /* flush_cache: */ - stl_p(base + 0x534, run_addr + 0x0808); /* print: */ - stl_p(base + 0x538, run_addr + 0x0800); /* reg_cpu_isr: */ - stl_p(base + 0x53c, run_addr + 0x0800); /* unred_cpu_isr: */ - stl_p(base + 0x540, run_addr + 0x0800); /* reg_ic_isr: */ - stl_p(base + 0x544, run_addr + 0x0800); /* unred_ic_isr: */ - stl_p(base + 0x548, run_addr + 0x0800); /* reg_esr: */ - stl_p(base + 0x54c, run_addr + 0x0800); /* unreg_esr: */ - stl_p(base + 0x550, run_addr + 0x0800); /* getchar: */ - stl_p(base + 0x554, run_addr + 0x0800); /* syscon_read: */ + stl_p(base + 0x500, run_addr + 0x0580); /* start: */ + stl_p(base + 0x504, run_addr + 0x083c); /* print_count: */ + stl_p(base + 0x520, run_addr + 0x0580); /* start: */ + stl_p(base + 0x52c, run_addr + 0x0800); /* flush_cache: */ + stl_p(base + 0x534, run_addr + 0x0808); /* print: */ + stl_p(base + 0x538, run_addr + 0x0800); /* reg_cpu_isr: */ + stl_p(base + 0x53c, run_addr + 0x0800); /* unred_cpu_isr: */ + stl_p(base + 0x540, run_addr + 0x0800); /* reg_ic_isr: */ + stl_p(base + 0x544, run_addr + 0x0800); /* unred_ic_isr: */ + stl_p(base + 0x548, run_addr + 0x0800); /* reg_esr: */ + stl_p(base + 0x54c, run_addr + 0x0800); /* unreg_esr: */ + stl_p(base + 0x550, run_addr + 0x0800); /* getchar: */ + stl_p(base + 0x554, run_addr + 0x0800); /* syscon_read: */ /* Second part of the bootloader */ @@ -869,9 +869,9 @@ static void write_bootloader(uint8_t *base, int64_t run_addr, if (semihosting_get_argc()) { /* Preserve a0 content as arguments have been passed */ - stl_p(p++, 0x00000000); /* nop */ + stl_p(p++, 0x00000000); /* nop */ } else { - stl_p(p++, 0x24040002); /* addiu a0, zero, 2 */ + stl_p(p++, 0x24040002); /* addiu a0, zero, 2 */ } /* lui sp, high(ENVP_ADDR) */ @@ -892,104 +892,106 @@ static void write_bootloader(uint8_t *base, int64_t run_addr, stl_p(p++, 0x34e70000 | (loaderparams.ram_low_size & 0xffff)); /* Load BAR registers as done by YAMON */ - stl_p(p++, 0x3c09b400); /* lui t1, 0xb400 */ + stl_p(p++, 0x3c09b400); /* lui t1, 0xb400 */ #ifdef TARGET_WORDS_BIGENDIAN - stl_p(p++, 0x3c08df00); /* lui t0, 0xdf00 */ + stl_p(p++, 0x3c08df00); /* lui t0, 0xdf00 */ #else - stl_p(p++, 0x340800df); /* ori t0, r0, 0x00df */ + stl_p(p++, 0x340800df); /* ori t0, r0, 0x00df */ #endif - stl_p(p++, 0xad280068); /* sw t0, 0x0068(t1) */ + stl_p(p++, 0xad280068); /* sw t0, 0x0068(t1) */ - stl_p(p++, 0x3c09bbe0); /* lui t1, 0xbbe0 */ + stl_p(p++, 0x3c09bbe0); /* lui t1, 0xbbe0 */ #ifdef TARGET_WORDS_BIGENDIAN - stl_p(p++, 0x3c08c000); /* lui t0, 0xc000 */ + stl_p(p++, 0x3c08c000); /* lui t0, 0xc000 */ #else - stl_p(p++, 0x340800c0); /* ori t0, r0, 0x00c0 */ + stl_p(p++, 0x340800c0); /* ori t0, r0, 0x00c0 */ #endif - stl_p(p++, 0xad280048); /* sw t0, 0x0048(t1) */ + stl_p(p++, 0xad280048); /* sw t0, 0x0048(t1) */ #ifdef TARGET_WORDS_BIGENDIAN - stl_p(p++, 0x3c084000); /* lui t0, 0x4000 */ + stl_p(p++, 0x3c084000); /* lui t0, 0x4000 */ #else - stl_p(p++, 0x34080040); /* ori t0, r0, 0x0040 */ + stl_p(p++, 0x34080040); /* ori t0, r0, 0x0040 */ #endif - stl_p(p++, 0xad280050); /* sw t0, 0x0050(t1) */ + stl_p(p++, 0xad280050); /* sw t0, 0x0050(t1) */ #ifdef TARGET_WORDS_BIGENDIAN - stl_p(p++, 0x3c088000); /* lui t0, 0x8000 */ + stl_p(p++, 0x3c088000); /* lui t0, 0x8000 */ #else - stl_p(p++, 0x34080080); /* ori t0, r0, 0x0080 */ + stl_p(p++, 0x34080080); /* ori t0, r0, 0x0080 */ #endif - stl_p(p++, 0xad280058); /* sw t0, 0x0058(t1) */ + stl_p(p++, 0xad280058); /* sw t0, 0x0058(t1) */ #ifdef TARGET_WORDS_BIGENDIAN - stl_p(p++, 0x3c083f00); /* lui t0, 0x3f00 */ + stl_p(p++, 0x3c083f00); /* lui t0, 0x3f00 */ #else - stl_p(p++, 0x3408003f); /* ori t0, r0, 0x003f */ + stl_p(p++, 0x3408003f); /* ori t0, r0, 0x003f */ #endif - stl_p(p++, 0xad280060); /* sw t0, 0x0060(t1) */ + stl_p(p++, 0xad280060); /* sw t0, 0x0060(t1) */ #ifdef TARGET_WORDS_BIGENDIAN - stl_p(p++, 0x3c08c100); /* lui t0, 0xc100 */ + stl_p(p++, 0x3c08c100); /* lui t0, 0xc100 */ #else - stl_p(p++, 0x340800c1); /* ori t0, r0, 0x00c1 */ + stl_p(p++, 0x340800c1); /* ori t0, r0, 0x00c1 */ #endif - stl_p(p++, 0xad280080); /* sw t0, 0x0080(t1) */ + stl_p(p++, 0xad280080); /* sw t0, 0x0080(t1) */ #ifdef TARGET_WORDS_BIGENDIAN - stl_p(p++, 0x3c085e00); /* lui t0, 0x5e00 */ + stl_p(p++, 0x3c085e00); /* lui t0, 0x5e00 */ #else - stl_p(p++, 0x3408005e); /* ori t0, r0, 0x005e */ + stl_p(p++, 0x3408005e); /* ori t0, r0, 0x005e */ #endif - stl_p(p++, 0xad280088); /* sw t0, 0x0088(t1) */ + stl_p(p++, 0xad280088); /* sw t0, 0x0088(t1) */ /* Jump to kernel code */ - stl_p(p++, 0x3c1f0000 | ((kernel_entry >> 16) & 0xffff)); /* lui ra, high(kernel_entry) */ - stl_p(p++, 0x37ff0000 | (kernel_entry & 0xffff)); /* ori ra, ra, low(kernel_entry) */ - stl_p(p++, 0x03e00009); /* jalr ra */ - stl_p(p++, 0x00000000); /* nop */ + stl_p(p++, 0x3c1f0000 | + ((kernel_entry >> 16) & 0xffff)); /* lui ra, high(kernel_entry) */ + stl_p(p++, 0x37ff0000 | + (kernel_entry & 0xffff)); /* ori ra, ra, low(kernel_entry) */ + stl_p(p++, 0x03e00009); /* jalr ra */ + stl_p(p++, 0x00000000); /* nop */ /* YAMON subroutines */ p = (uint32_t *) (base + 0x800); - stl_p(p++, 0x03e00009); /* jalr ra */ - stl_p(p++, 0x24020000); /* li v0,0 */ + stl_p(p++, 0x03e00009); /* jalr ra */ + stl_p(p++, 0x24020000); /* li v0,0 */ /* 808 YAMON print */ - stl_p(p++, 0x03e06821); /* move t5,ra */ - stl_p(p++, 0x00805821); /* move t3,a0 */ - stl_p(p++, 0x00a05021); /* move t2,a1 */ - stl_p(p++, 0x91440000); /* lbu a0,0(t2) */ - stl_p(p++, 0x254a0001); /* addiu t2,t2,1 */ - stl_p(p++, 0x10800005); /* beqz a0,834 */ - stl_p(p++, 0x00000000); /* nop */ - stl_p(p++, 0x0ff0021c); /* jal 870 */ - stl_p(p++, 0x00000000); /* nop */ - stl_p(p++, 0x1000fff9); /* b 814 */ - stl_p(p++, 0x00000000); /* nop */ - stl_p(p++, 0x01a00009); /* jalr t5 */ - stl_p(p++, 0x01602021); /* move a0,t3 */ + stl_p(p++, 0x03e06821); /* move t5,ra */ + stl_p(p++, 0x00805821); /* move t3,a0 */ + stl_p(p++, 0x00a05021); /* move t2,a1 */ + stl_p(p++, 0x91440000); /* lbu a0,0(t2) */ + stl_p(p++, 0x254a0001); /* addiu t2,t2,1 */ + stl_p(p++, 0x10800005); /* beqz a0,834 */ + stl_p(p++, 0x00000000); /* nop */ + stl_p(p++, 0x0ff0021c); /* jal 870 */ + stl_p(p++, 0x00000000); /* nop */ + stl_p(p++, 0x1000fff9); /* b 814 */ + stl_p(p++, 0x00000000); /* nop */ + stl_p(p++, 0x01a00009); /* jalr t5 */ + stl_p(p++, 0x01602021); /* move a0,t3 */ /* 0x83c YAMON print_count */ - stl_p(p++, 0x03e06821); /* move t5,ra */ - stl_p(p++, 0x00805821); /* move t3,a0 */ - stl_p(p++, 0x00a05021); /* move t2,a1 */ - stl_p(p++, 0x00c06021); /* move t4,a2 */ - stl_p(p++, 0x91440000); /* lbu a0,0(t2) */ - stl_p(p++, 0x0ff0021c); /* jal 870 */ - stl_p(p++, 0x00000000); /* nop */ - stl_p(p++, 0x254a0001); /* addiu t2,t2,1 */ - stl_p(p++, 0x258cffff); /* addiu t4,t4,-1 */ - stl_p(p++, 0x1580fffa); /* bnez t4,84c */ - stl_p(p++, 0x00000000); /* nop */ - stl_p(p++, 0x01a00009); /* jalr t5 */ - stl_p(p++, 0x01602021); /* move a0,t3 */ + stl_p(p++, 0x03e06821); /* move t5,ra */ + stl_p(p++, 0x00805821); /* move t3,a0 */ + stl_p(p++, 0x00a05021); /* move t2,a1 */ + stl_p(p++, 0x00c06021); /* move t4,a2 */ + stl_p(p++, 0x91440000); /* lbu a0,0(t2) */ + stl_p(p++, 0x0ff0021c); /* jal 870 */ + stl_p(p++, 0x00000000); /* nop */ + stl_p(p++, 0x254a0001); /* addiu t2,t2,1 */ + stl_p(p++, 0x258cffff); /* addiu t4,t4,-1 */ + stl_p(p++, 0x1580fffa); /* bnez t4,84c */ + stl_p(p++, 0x00000000); /* nop */ + stl_p(p++, 0x01a00009); /* jalr t5 */ + stl_p(p++, 0x01602021); /* move a0,t3 */ /* 0x870 */ - stl_p(p++, 0x3c08b800); /* lui t0,0xb400 */ - stl_p(p++, 0x350803f8); /* ori t0,t0,0x3f8 */ - stl_p(p++, 0x91090005); /* lbu t1,5(t0) */ - stl_p(p++, 0x00000000); /* nop */ - stl_p(p++, 0x31290040); /* andi t1,t1,0x40 */ - stl_p(p++, 0x1120fffc); /* beqz t1,878 <outch+0x8> */ - stl_p(p++, 0x00000000); /* nop */ - stl_p(p++, 0x03e00009); /* jalr ra */ - stl_p(p++, 0xa1040000); /* sb a0,0(t0) */ + stl_p(p++, 0x3c08b800); /* lui t0,0xb400 */ + stl_p(p++, 0x350803f8); /* ori t0,t0,0x3f8 */ + stl_p(p++, 0x91090005); /* lbu t1,5(t0) */ + stl_p(p++, 0x00000000); /* nop */ + stl_p(p++, 0x31290040); /* andi t1,t1,0x40 */ + stl_p(p++, 0x1120fffc); /* beqz t1,878 <outch+0x8> */ + stl_p(p++, 0x00000000); /* nop */ + stl_p(p++, 0x03e00009); /* jalr ra */ + stl_p(p++, 0xa1040000); /* sb a0,0(t0) */ } @@ -1242,7 +1244,7 @@ void mips_malta_init(MachineState *machine) /* * The whole address space decoded by the GT-64120A doesn't generate * exception when accessing invalid memory. Create an empty slot to - * emulate this feature.\ + * emulate this feature. */ empty_slot_init(0, 0x20000000); |