diff options
Diffstat (limited to 'hw/pc.c')
-rw-r--r-- | hw/pc.c | 46 |
1 files changed, 23 insertions, 23 deletions
@@ -507,7 +507,7 @@ static void load_linux(const char *kernel_filename, int setup_size, kernel_size, initrd_size, cmdline_size; uint32_t initrd_max; uint8_t header[1024]; - uint8_t *real_addr, *prot_addr, *cmdline_addr, *initrd_addr; + target_phys_addr_t real_addr, prot_addr, cmdline_addr, initrd_addr; FILE *f, *fi; /* Align to 16 bytes as a paranoia measure */ @@ -533,19 +533,19 @@ static void load_linux(const char *kernel_filename, if (protocol < 0x200 || !(header[0x211] & 0x01)) { /* Low kernel */ - real_addr = phys_ram_base + 0x90000; - cmdline_addr = phys_ram_base + 0x9a000 - cmdline_size; - prot_addr = phys_ram_base + 0x10000; + real_addr = 0x90000; + cmdline_addr = 0x9a000 - cmdline_size; + prot_addr = 0x10000; } else if (protocol < 0x202) { /* High but ancient kernel */ - real_addr = phys_ram_base + 0x90000; - cmdline_addr = phys_ram_base + 0x9a000 - cmdline_size; - prot_addr = phys_ram_base + 0x100000; + real_addr = 0x90000; + cmdline_addr = 0x9a000 - cmdline_size; + prot_addr = 0x100000; } else { /* High and recent kernel */ - real_addr = phys_ram_base + 0x10000; - cmdline_addr = phys_ram_base + 0x20000; - prot_addr = phys_ram_base + 0x100000; + real_addr = 0x10000; + cmdline_addr = 0x20000; + prot_addr = 0x100000; } #if 0 @@ -553,9 +553,9 @@ static void load_linux(const char *kernel_filename, "qemu: real_addr = %#zx\n" "qemu: cmdline_addr = %#zx\n" "qemu: prot_addr = %#zx\n", - real_addr-phys_ram_base, - cmdline_addr-phys_ram_base, - prot_addr-phys_ram_base); + real_addr, + cmdline_addr, + prot_addr); #endif /* highest address for loading the initrd */ @@ -568,10 +568,10 @@ static void load_linux(const char *kernel_filename, initrd_max = ram_size-ACPI_DATA_SIZE-1; /* kernel command line */ - pstrcpy((char*)cmdline_addr, 4096, kernel_cmdline); + pstrcpy_targphys(cmdline_addr, 4096, kernel_cmdline); if (protocol >= 0x202) { - stl_p(header+0x228, cmdline_addr-phys_ram_base); + stl_p(header+0x228, cmdline_addr); } else { stw_p(header+0x20, 0xA33F); stw_p(header+0x22, cmdline_addr-real_addr); @@ -605,24 +605,24 @@ static void load_linux(const char *kernel_filename, } initrd_size = get_file_size(fi); - initrd_addr = phys_ram_base + ((initrd_max-initrd_size) & ~4095); + initrd_addr = (initrd_max-initrd_size) & ~4095; fprintf(stderr, "qemu: loading initrd (%#x bytes) at %#zx\n", - initrd_size, initrd_addr-phys_ram_base); + initrd_size, initrd_addr); - if (fread(initrd_addr, 1, initrd_size, fi) != initrd_size) { + if (!fread_targphys_ok(initrd_addr, initrd_size, fi)) { fprintf(stderr, "qemu: read error on initial ram disk '%s'\n", initrd_filename); exit(1); } fclose(fi); - stl_p(header+0x218, initrd_addr-phys_ram_base); + stl_p(header+0x218, initrd_addr); stl_p(header+0x21c, initrd_size); } /* store the finalized header and load the rest of the kernel */ - memcpy(real_addr, header, 1024); + cpu_physical_memory_write(real_addr, header, 1024); setup_size = header[0x1f1]; if (setup_size == 0) @@ -631,8 +631,8 @@ static void load_linux(const char *kernel_filename, setup_size = (setup_size+1)*512; kernel_size -= setup_size; /* Size of protected-mode code */ - if (fread(real_addr+1024, 1, setup_size-1024, f) != setup_size-1024 || - fread(prot_addr, 1, kernel_size, f) != kernel_size) { + if (!fread_targphys_ok(real_addr+1024, setup_size-1024, f) || + !fread_targphys_ok(prot_addr, kernel_size, f)) { fprintf(stderr, "qemu: read error on kernel '%s'\n", kernel_filename); exit(1); @@ -640,7 +640,7 @@ static void load_linux(const char *kernel_filename, fclose(f); /* generate bootsector to set up the initial register state */ - real_seg = (real_addr-phys_ram_base) >> 4; + real_seg = real_addr >> 4; seg[0] = seg[2] = seg[3] = seg[4] = seg[4] = real_seg; seg[1] = real_seg+0x20; /* CS */ memset(gpr, 0, sizeof gpr); |