diff options
Diffstat (limited to 'hw/ppc.c')
| -rw-r--r-- | hw/ppc.c | 67 |
1 files changed, 39 insertions, 28 deletions
@@ -22,7 +22,6 @@ * THE SOFTWARE. */ #include "vl.h" -#include "m48t59.h" //#define PPC_DEBUG_IRQ //#define PPC_DEBUG_TB @@ -1240,63 +1239,75 @@ void PPC_debug_write (void *opaque, uint32_t addr, uint32_t val) /*****************************************************************************/ /* NVRAM helpers */ -void NVRAM_set_byte (m48t59_t *nvram, uint32_t addr, uint8_t value) +static inline uint32_t nvram_read (nvram_t *nvram, uint32_t addr) { - m48t59_write(nvram, addr, value); + return (*nvram->read_fn)(nvram->opaque, addr);; } -uint8_t NVRAM_get_byte (m48t59_t *nvram, uint32_t addr) +static inline void nvram_write (nvram_t *nvram, uint32_t addr, uint32_t val) { - return m48t59_read(nvram, addr); + (*nvram->write_fn)(nvram->opaque, addr, val); } -void NVRAM_set_word (m48t59_t *nvram, uint32_t addr, uint16_t value) +void NVRAM_set_byte (nvram_t *nvram, uint32_t addr, uint8_t value) { - m48t59_write(nvram, addr, value >> 8); - m48t59_write(nvram, addr + 1, value & 0xFF); + nvram_write(nvram, addr, value); } -uint16_t NVRAM_get_word (m48t59_t *nvram, uint32_t addr) +uint8_t NVRAM_get_byte (nvram_t *nvram, uint32_t addr) +{ + return nvram_read(nvram, addr); +} + +void NVRAM_set_word (nvram_t *nvram, uint32_t addr, uint16_t value) +{ + nvram_write(nvram, addr, value >> 8); + nvram_write(nvram, addr + 1, value & 0xFF); +} + +uint16_t NVRAM_get_word (nvram_t *nvram, uint32_t addr) { uint16_t tmp; - tmp = m48t59_read(nvram, addr) << 8; - tmp |= m48t59_read(nvram, addr + 1); + tmp = nvram_read(nvram, addr) << 8; + tmp |= nvram_read(nvram, addr + 1); + return tmp; } -void NVRAM_set_lword (m48t59_t *nvram, uint32_t addr, uint32_t value) +void NVRAM_set_lword (nvram_t *nvram, uint32_t addr, uint32_t value) { - m48t59_write(nvram, addr, value >> 24); - m48t59_write(nvram, addr + 1, (value >> 16) & 0xFF); - m48t59_write(nvram, addr + 2, (value >> 8) & 0xFF); - m48t59_write(nvram, addr + 3, value & 0xFF); + nvram_write(nvram, addr, value >> 24); + nvram_write(nvram, addr + 1, (value >> 16) & 0xFF); + nvram_write(nvram, addr + 2, (value >> 8) & 0xFF); + nvram_write(nvram, addr + 3, value & 0xFF); } -uint32_t NVRAM_get_lword (m48t59_t *nvram, uint32_t addr) +uint32_t NVRAM_get_lword (nvram_t *nvram, uint32_t addr) { uint32_t tmp; - tmp = m48t59_read(nvram, addr) << 24; - tmp |= m48t59_read(nvram, addr + 1) << 16; - tmp |= m48t59_read(nvram, addr + 2) << 8; - tmp |= m48t59_read(nvram, addr + 3); + tmp = nvram_read(nvram, addr) << 24; + tmp |= nvram_read(nvram, addr + 1) << 16; + tmp |= nvram_read(nvram, addr + 2) << 8; + tmp |= nvram_read(nvram, addr + 3); return tmp; } -void NVRAM_set_string (m48t59_t *nvram, uint32_t addr, +void NVRAM_set_string (nvram_t *nvram, uint32_t addr, const unsigned char *str, uint32_t max) { int i; for (i = 0; i < max && str[i] != '\0'; i++) { - m48t59_write(nvram, addr + i, str[i]); + nvram_write(nvram, addr + i, str[i]); } - m48t59_write(nvram, addr + max - 1, '\0'); + nvram_write(nvram, addr + i, str[i]); + nvram_write(nvram, addr + max - 1, '\0'); } -int NVRAM_get_string (m48t59_t *nvram, uint8_t *dst, uint16_t addr, int max) +int NVRAM_get_string (nvram_t *nvram, uint8_t *dst, uint16_t addr, int max) { int i; @@ -1325,7 +1336,7 @@ static uint16_t NVRAM_crc_update (uint16_t prev, uint16_t value) return tmp; } -uint16_t NVRAM_compute_crc (m48t59_t *nvram, uint32_t start, uint32_t count) +uint16_t NVRAM_compute_crc (nvram_t *nvram, uint32_t start, uint32_t count) { uint32_t i; uint16_t crc = 0xFFFF; @@ -1345,7 +1356,7 @@ uint16_t NVRAM_compute_crc (m48t59_t *nvram, uint32_t start, uint32_t count) #define CMDLINE_ADDR 0x017ff000 -int PPC_NVRAM_set_params (m48t59_t *nvram, uint16_t NVRAM_size, +int PPC_NVRAM_set_params (nvram_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, @@ -1382,7 +1393,7 @@ int PPC_NVRAM_set_params (m48t59_t *nvram, uint16_t NVRAM_size, 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); + NVRAM_set_word(nvram, 0xFC, crc); return 0; } |