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HV: vuart: remove console related code from vuart

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Move the console related code from dm/vuart.c to debug/console.c as
console is not supported in release version.

Tracked-On: #2987
Signed-off-by: Conghui Chen <conghui.chen@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Conghui Chen
2019-04-29 14:37:58 +08:00
committed by ACRN System Integration
parent 513c9f8744
commit c61db6ffa0
4 changed files with 90 additions and 73 deletions
Download Patch File Download Diff File Expand all files Collapse all files

85
hypervisor/dm/vuart.c
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@@ -43,8 +43,6 @@ static uint16_t vuart_com_base = CONFIG_COM_BASE;
#define vuart_lock(vu) spinlock_obtain(&((vu)->lock))
#define vuart_unlock(vu) spinlock_release(&((vu)->lock))
uint16_t console_vmid = ACRN_INVALID_VMID;
static inline void fifo_reset(struct fifo *fifo)
{
fifo->rindex = 0U;
@@ -83,6 +81,23 @@ static inline uint32_t fifo_numchars(const struct fifo *fifo)
return fifo->num;
}
void vuart_putchar(struct acrn_vuart *vu, char ch)
{
vuart_lock(vu);
fifo_putchar(&vu->rxfifo, ch);
vuart_unlock(vu);
}
char vuart_getchar(struct acrn_vuart *vu)
{
char c;
vuart_lock(vu);
c = fifo_getchar(&vu->txfifo);
vuart_unlock(vu);
return c;
}
static inline void vuart_fifo_init(struct acrn_vuart *vu)
{
vu->txfifo.buf = vu->vuart_tx_buf;
@@ -129,19 +144,11 @@ struct acrn_vuart *find_vuart_by_port(struct acrn_vm *vm, uint16_t offset)
return ret_vu;
}
/*
* @post return != NULL
*/
struct acrn_vuart *vm_console_vuart(struct acrn_vm *vm)
{
return &vm->vuart[0];
}
/*
* Toggle the COM port's intr pin depending on whether or not we have an
* interrupt condition to report to the processor.
*/
static void vuart_toggle_intr(const struct acrn_vuart *vu)
void vuart_toggle_intr(const struct acrn_vuart *vu)
{
uint8_t intr_reason;
union ioapic_rte rte;
@@ -384,58 +391,6 @@ static bool vuart_register_io_handler(struct acrn_vm *vm, uint16_t port_base, ui
return ret;
}
/**
* @pre vu != NULL
*/
void vuart_console_tx_chars(struct acrn_vuart *vu)
{
vuart_lock(vu);
while (fifo_numchars(&vu->txfifo) > 0U) {
printf("%c", fifo_getchar(&vu->txfifo));
}
vuart_unlock(vu);
}
/**
* @pre vu != NULL
* @pre vu->active == true
*/
void vuart_console_rx_chars(struct acrn_vuart *vu)
{
char ch = -1;
vuart_lock(vu);
/* Get data from physical uart */
ch = uart16550_getc();
if (ch == GUEST_CONSOLE_TO_HV_SWITCH_KEY) {
/* Switch the console */
console_vmid = ACRN_INVALID_VMID;
printf("\r\n\r\n ---Entering ACRN SHELL---\r\n");
}
if (ch != -1) {
fifo_putchar(&vu->rxfifo, ch);
vuart_toggle_intr(vu);
}
vuart_unlock(vu);
}
struct acrn_vuart *vuart_console_active(void)
{
struct acrn_vm *vm = NULL;
struct acrn_vuart *vu = NULL;
if (console_vmid < CONFIG_MAX_VM_NUM) {
vm = get_vm_from_vmid(console_vmid);
if (is_valid_vm(vm)) {
vu = vm_console_vuart(vm);
}
}
return (vu && vu->active) ? vu : NULL;
}
static void vuart_setup(struct acrn_vm *vm,
struct vuart_config *vu_config, uint16_t vuart_idx)
{
@@ -541,10 +496,6 @@ void vuart_deinit(struct acrn_vm *vm)
{
uint8_t i;
/* reset console_vmid to switch back to hypervisor console */
if (console_vmid == vm->vm_id)
console_vmid = ACRN_INVALID_VMID;
for (i = 0; i < MAX_VUART_NUM_PER_VM; i++) {
vm->vuart[i].active = false;
if (vm->vuart[i].target_vu)