diff options
Diffstat (limited to 'hw/tpm/tpm_tis.c')
| -rw-r--r-- | hw/tpm/tpm_tis.c | 29 |
1 files changed, 14 insertions, 15 deletions
diff --git a/hw/tpm/tpm_tis.c b/hw/tpm/tpm_tis.c index 34bfc86143..ad3634789f 100644 --- a/hw/tpm/tpm_tis.c +++ b/hw/tpm/tpm_tis.c @@ -70,8 +70,7 @@ typedef struct TPMState { ISADevice busdev; MemoryRegion mmio; - unsigned char w_buffer[TPM_TIS_BUFFER_MAX]; - unsigned char r_buffer[TPM_TIS_BUFFER_MAX]; + unsigned char buffer[TPM_TIS_BUFFER_MAX]; uint8_t active_locty; uint8_t aborting_locty; @@ -257,7 +256,7 @@ static void tpm_tis_tpm_send(TPMState *s, uint8_t locty) { TPMLocality *locty_data = &s->loc[locty]; - tpm_tis_show_buffer(s->w_buffer, s->be_buffer_size, + tpm_tis_show_buffer(s->buffer, s->be_buffer_size, "tpm_tis: To TPM"); /* @@ -268,9 +267,9 @@ static void tpm_tis_tpm_send(TPMState *s, uint8_t locty) s->cmd = (TPMBackendCmd) { .locty = locty, - .in = s->w_buffer, + .in = s->buffer, .in_len = locty_data->w_offset, - .out = s->r_buffer, + .out = s->buffer, .out_len = s->be_buffer_size, }; @@ -422,7 +421,7 @@ static void tpm_tis_request_completed(TPMIf *ti) s->loc[locty].r_offset = 0; s->loc[locty].w_offset = 0; - tpm_tis_show_buffer(s->r_buffer, s->be_buffer_size, + tpm_tis_show_buffer(s->buffer, s->be_buffer_size, "tpm_tis: From TPM"); if (TPM_TIS_IS_VALID_LOCTY(s->next_locty)) { @@ -442,10 +441,10 @@ static uint32_t tpm_tis_data_read(TPMState *s, uint8_t locty) uint16_t len; if ((s->loc[locty].sts & TPM_TIS_STS_DATA_AVAILABLE)) { - len = MIN(tpm_cmd_get_size(&s->r_buffer), + len = MIN(tpm_cmd_get_size(&s->buffer), s->be_buffer_size); - ret = s->r_buffer[s->loc[locty].r_offset++]; + ret = s->buffer[s->loc[locty].r_offset++]; if (s->loc[locty].r_offset >= len) { /* got last byte */ tpm_tis_sts_set(&s->loc[locty], TPM_TIS_STS_VALID); @@ -491,11 +490,11 @@ static void tpm_tis_dump_state(void *opaque, hwaddr addr) "tpm_tis: result buffer : ", s->loc[locty].r_offset); for (idx = 0; - idx < MIN(tpm_cmd_get_size(&s->r_buffer), s->be_buffer_size); + idx < MIN(tpm_cmd_get_size(&s->buffer), s->be_buffer_size); idx++) { DPRINTF("%c%02x%s", s->loc[locty].r_offset == idx ? '>' : ' ', - s->r_buffer[idx], + s->buffer[idx], ((idx & 0xf) == 0xf) ? "\ntpm_tis: " : ""); } DPRINTF("\n" @@ -503,11 +502,11 @@ static void tpm_tis_dump_state(void *opaque, hwaddr addr) "tpm_tis: request buffer: ", s->loc[locty].w_offset); for (idx = 0; - idx < MIN(tpm_cmd_get_size(s->w_buffer), s->be_buffer_size); + idx < MIN(tpm_cmd_get_size(s->buffer), s->be_buffer_size); idx++) { DPRINTF("%c%02x%s", s->loc[locty].w_offset == idx ? '>' : ' ', - s->w_buffer[idx], + s->buffer[idx], ((idx & 0xf) == 0xf) ? "\ntpm_tis: " : ""); } DPRINTF("\n"); @@ -569,7 +568,7 @@ static uint64_t tpm_tis_mmio_read(void *opaque, hwaddr addr, if (s->active_locty == locty) { if ((s->loc[locty].sts & TPM_TIS_STS_DATA_AVAILABLE)) { val = TPM_TIS_BURST_COUNT( - MIN(tpm_cmd_get_size(&s->r_buffer), + MIN(tpm_cmd_get_size(&s->buffer), s->be_buffer_size) - s->loc[locty].r_offset) | s->loc[locty].sts; } else { @@ -922,7 +921,7 @@ static void tpm_tis_mmio_write(void *opaque, hwaddr addr, while ((s->loc[locty].sts & TPM_TIS_STS_EXPECT) && size > 0) { if (s->loc[locty].w_offset < s->be_buffer_size) { - s->w_buffer[s->loc[locty].w_offset++] = + s->buffer[s->loc[locty].w_offset++] = (uint8_t)val; val >>= 8; size--; @@ -937,7 +936,7 @@ static void tpm_tis_mmio_write(void *opaque, hwaddr addr, /* we have a packet length - see if we have all of it */ bool need_irq = !(s->loc[locty].sts & TPM_TIS_STS_VALID); - len = tpm_cmd_get_size(&s->w_buffer); + len = tpm_cmd_get_size(&s->buffer); if (len > s->loc[locty].w_offset) { tpm_tis_sts_set(&s->loc[locty], TPM_TIS_STS_EXPECT | TPM_TIS_STS_VALID); |