haraldwolff/qemu-patch-raspberry4
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cmdline init fix

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@956 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2004-06-21 16:53:42 +00:00
parent f2aa58c6f4
commit fd0bbb12c3
1 changed files with 26 additions and 9 deletions
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35
hw/ppc.c
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@ -22,6 +22,7 @@
* THE SOFTWARE.
*/
#include "vl.h"
#include "m48t59.h"
/*****************************************************************************/
/* PPC time base and decrementer emulation */
@ -109,7 +110,7 @@ uint32_t cpu_ppc_load_decr (CPUState *env)
decr = muldiv64(tb_env->decr_next - qemu_get_clock(vm_clock),
tb_env->tb_freq, ticks_per_sec);
#ifdef DEBUG_TB
#if defined(DEBUG_TB)
printf("%s: 0x%08x\n", __func__, decr);
#endif
@ -257,7 +258,7 @@ CPUReadMemoryFunc *PPC_io_read[] = {
/*****************************************************************************/
/* Debug port */
void PREP_debug_write (void *opaque, uint32_t addr, uint32_t val)
void PPC_debug_write (void *opaque, uint32_t addr, uint32_t val)
{
addr &= 0xF;
switch (addr) {
@ -270,7 +271,7 @@ void PREP_debug_write (void *opaque, uint32_t addr, uint32_t val)
break;
case 2:
printf("Set loglevel to %04x\n", val);
cpu_set_log(val);
cpu_set_log(val | 0x100);
break;
}
}
@ -397,13 +398,16 @@ uint16_t NVRAM_compute_crc (m48t59_t *nvram, uint32_t start, uint32_t count)
return crc;
}
#define CMDLINE_ADDR 0x017ff000
int PPC_NVRAM_set_params (m48t59_t *nvram, uint16_t NVRAM_size,
const unsigned char *arch,
uint32_t RAM_size, int boot_device,
uint32_t kernel_image, uint32_t kernel_size,
uint32_t cmdline, uint32_t cmdline_size,
const char *cmdline,
uint32_t initrd_image, uint32_t initrd_size,
uint32_t NVRAM_image)
uint32_t NVRAM_image,
int width, int height, int depth)
{
uint16_t crc;
@ -416,13 +420,24 @@ int PPC_NVRAM_set_params (m48t59_t *nvram, uint16_t NVRAM_size,
NVRAM_set_byte(nvram, 0x34, boot_device);
NVRAM_set_lword(nvram, 0x38, kernel_image);
NVRAM_set_lword(nvram, 0x3C, kernel_size);
NVRAM_set_lword(nvram, 0x40, cmdline);
NVRAM_set_lword(nvram, 0x44, cmdline_size);
if (cmdline) {
/* XXX: put the cmdline in NVRAM too ? */
strcpy(phys_ram_base + CMDLINE_ADDR, cmdline);
NVRAM_set_lword(nvram, 0x40, CMDLINE_ADDR);
NVRAM_set_lword(nvram, 0x44, strlen(cmdline));
} else {
NVRAM_set_lword(nvram, 0x40, 0);
NVRAM_set_lword(nvram, 0x44, 0);
}
NVRAM_set_lword(nvram, 0x48, initrd_image);
NVRAM_set_lword(nvram, 0x4C, initrd_size);
NVRAM_set_lword(nvram, 0x50, NVRAM_image);
crc = NVRAM_compute_crc(nvram, 0x00, 0x5C);
NVRAM_set_word(nvram, 0x5C, crc);
NVRAM_set_word(nvram, 0x54, width);
NVRAM_set_word(nvram, 0x56, height);
NVRAM_set_word(nvram, 0x58, depth);
crc = NVRAM_compute_crc(nvram, 0x00, 0xF8);
NVRAM_set_word(nvram, 0xFC, crc);
return 0;
}
@ -442,4 +457,6 @@ void ppc_init (int ram_size, int vga_ram_size, int boot_device,
snapshot, kernel_filename, kernel_cmdline,
initrd_filename);
}
/* Special port to get debug messages from Open-Firmware */
register_ioport_write(0x0F00, 4, 1, &PPC_debug_write, NULL);
}