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Return physical MMIO address

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This commit is contained in:
bzt 2019-03-15 00:19:49 +01:00
parent ae1a94e3d9
commit d828cc5d47
3 changed files with 4 additions and 4 deletions
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8
aarch64-rpi/bootboot.c
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@ -671,8 +671,6 @@ int sd_init()
} }
/*** other defines and structs ***/ /*** other defines and structs ***/
#define COREMMIO_BASE 0xFFFFFFFFF8000000
typedef struct { typedef struct {
uint32_t type[4]; uint32_t type[4];
uint8_t uuid[16]; uint8_t uuid[16];
@ -1170,7 +1168,7 @@ int bootboot_main(uint64_t hcl)
bootboot->protocol = PROTOCOL_STATIC | LOADER_RPI; bootboot->protocol = PROTOCOL_STATIC | LOADER_RPI;
bootboot->size = 128; bootboot->size = 128;
bootboot->numcores = 4; bootboot->numcores = 4;
bootboot->arch.aarch64.mmio_ptr = COREMMIO_BASE; bootboot->arch.aarch64.mmio_ptr = MMIO_BASE;
// set up a framebuffer so that we can write on screen // set up a framebuffer so that we can write on screen
if(!GetLFB(0, 0)) goto viderr; if(!GetLFB(0, 0)) goto viderr;
puts("Booting OS...\n"); puts("Booting OS...\n");
@ -1525,7 +1523,9 @@ gzerr: puts("BOOTBOOT-PANIC: Unable to uncompress\n");
mmap=(MMapEnt *)&bootboot->mmap; mmap=(MMapEnt *)&bootboot->mmap;
// everything before the bootboot struct is free // everything before the bootboot struct is free
mmap->ptr=0; mmap->size=(uint64_t)&__bootboot | MMAP_FREE; // leave out the first page. qemu crashes if we write at 0x100, there are some
// system variables there
mmap->ptr=4096; mmap->size=((uint64_t)&__bootboot-4096) | MMAP_FREE;
mmap++; bootboot->size+=sizeof(MMapEnt); mmap++; bootboot->size+=sizeof(MMapEnt);
// mark bss reserved // mark bss reserved

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bootboot.img
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bootboot_spec_1st_ed.pdf
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