Commit fd0bbb12c3de53b52f2ac7bf6e55fd7233c6f476

Authored by bellard
1 parent f2aa58c6

cmdline init fix


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@956 c046a42c-6fe2-441c-8c8c-71466251a162
Showing 1 changed file with 26 additions and 9 deletions
hw/ppc.c
... ... @@ -22,6 +22,7 @@
22 22 * THE SOFTWARE.
23 23 */
24 24 #include "vl.h"
  25 +#include "m48t59.h"
25 26  
26 27 /*****************************************************************************/
27 28 /* PPC time base and decrementer emulation */
... ... @@ -109,7 +110,7 @@ uint32_t cpu_ppc_load_decr (CPUState *env)
109 110  
110 111 decr = muldiv64(tb_env->decr_next - qemu_get_clock(vm_clock),
111 112 tb_env->tb_freq, ticks_per_sec);
112   -#ifdef DEBUG_TB
  113 +#if defined(DEBUG_TB)
113 114 printf("%s: 0x%08x\n", __func__, decr);
114 115 #endif
115 116  
... ... @@ -257,7 +258,7 @@ CPUReadMemoryFunc *PPC_io_read[] = {
257 258  
258 259 /*****************************************************************************/
259 260 /* Debug port */
260   -void PREP_debug_write (void *opaque, uint32_t addr, uint32_t val)
  261 +void PPC_debug_write (void *opaque, uint32_t addr, uint32_t val)
261 262 {
262 263 addr &= 0xF;
263 264 switch (addr) {
... ... @@ -270,7 +271,7 @@ void PREP_debug_write (void *opaque, uint32_t addr, uint32_t val)
270 271 break;
271 272 case 2:
272 273 printf("Set loglevel to %04x\n", val);
273   - cpu_set_log(val);
  274 + cpu_set_log(val | 0x100);
274 275 break;
275 276 }
276 277 }
... ... @@ -397,13 +398,16 @@ uint16_t NVRAM_compute_crc (m48t59_t *nvram, uint32_t start, uint32_t count)
397 398 return crc;
398 399 }
399 400  
  401 +#define CMDLINE_ADDR 0x017ff000
  402 +
400 403 int PPC_NVRAM_set_params (m48t59_t *nvram, uint16_t NVRAM_size,
401 404 const unsigned char *arch,
402 405 uint32_t RAM_size, int boot_device,
403 406 uint32_t kernel_image, uint32_t kernel_size,
404   - uint32_t cmdline, uint32_t cmdline_size,
  407 + const char *cmdline,
405 408 uint32_t initrd_image, uint32_t initrd_size,
406   - uint32_t NVRAM_image)
  409 + uint32_t NVRAM_image,
  410 + int width, int height, int depth)
407 411 {
408 412 uint16_t crc;
409 413  
... ... @@ -416,13 +420,24 @@ int PPC_NVRAM_set_params (m48t59_t *nvram, uint16_t NVRAM_size,
416 420 NVRAM_set_byte(nvram, 0x34, boot_device);
417 421 NVRAM_set_lword(nvram, 0x38, kernel_image);
418 422 NVRAM_set_lword(nvram, 0x3C, kernel_size);
419   - NVRAM_set_lword(nvram, 0x40, cmdline);
420   - NVRAM_set_lword(nvram, 0x44, cmdline_size);
  423 + if (cmdline) {
  424 + /* XXX: put the cmdline in NVRAM too ? */
  425 + strcpy(phys_ram_base + CMDLINE_ADDR, cmdline);
  426 + NVRAM_set_lword(nvram, 0x40, CMDLINE_ADDR);
  427 + NVRAM_set_lword(nvram, 0x44, strlen(cmdline));
  428 + } else {
  429 + NVRAM_set_lword(nvram, 0x40, 0);
  430 + NVRAM_set_lword(nvram, 0x44, 0);
  431 + }
421 432 NVRAM_set_lword(nvram, 0x48, initrd_image);
422 433 NVRAM_set_lword(nvram, 0x4C, initrd_size);
423 434 NVRAM_set_lword(nvram, 0x50, NVRAM_image);
424   - crc = NVRAM_compute_crc(nvram, 0x00, 0x5C);
425   - NVRAM_set_word(nvram, 0x5C, crc);
  435 +
  436 + NVRAM_set_word(nvram, 0x54, width);
  437 + NVRAM_set_word(nvram, 0x56, height);
  438 + NVRAM_set_word(nvram, 0x58, depth);
  439 + crc = NVRAM_compute_crc(nvram, 0x00, 0xF8);
  440 + NVRAM_set_word(nvram, 0xFC, crc);
426 441  
427 442 return 0;
428 443 }
... ... @@ -442,4 +457,6 @@ void ppc_init (int ram_size, int vga_ram_size, int boot_device,
442 457 snapshot, kernel_filename, kernel_cmdline,
443 458 initrd_filename);
444 459 }
  460 + /* Special port to get debug messages from Open-Firmware */
  461 + register_ioport_write(0x0F00, 4, 1, &PPC_debug_write, NULL);
445 462 }
... ...